This is a table of type quadgram and their frequencies. Use it to search & browse the list to learn more about your study carrel.
quadgram | frequency |
---|---|
a license to display | 132 |
license to display the | 132 |
granted medrxiv a license | 132 |
medrxiv a license to | 132 |
display the preprint in | 132 |
who has granted medrxiv | 132 |
is the author funder | 132 |
has granted medrxiv a | 132 |
to display the preprint | 132 |
the copyright holder for | 130 |
copyright holder for this | 130 |
it is made available | 114 |
international license it is | 114 |
made available under a | 114 |
is made available under | 114 |
license it is made | 114 |
the preprint in perpetuity | 108 |
holder for this preprint | 106 |
a is the author | 98 |
available under a is | 98 |
under a is the | 98 |
for this preprint this | 84 |
preprint this version posted | 84 |
this preprint this version | 84 |
the number of contacts | 60 |
the average number of | 54 |
this version posted may | 52 |
the total number of | 50 |
certified by peer review | 47 |
was not certified by | 47 |
not certified by peer | 47 |
which was not certified | 47 |
the spread of the | 38 |
in the case of | 37 |
on the other hand | 36 |
the spread of covid | 35 |
average number of contacts | 35 |
in the united states | 34 |
can be used to | 34 |
in the context of | 33 |
as a function of | 31 |
as well as the | 30 |
spread of infectious diseases | 30 |
in the absence of | 29 |
the spread of infectious | 28 |
severe acute respiratory syndrome | 28 |
in the number of | 28 |
of the number of | 27 |
testing and contact tracing | 26 |
at the same time | 26 |
spread of the virus | 26 |
of contact tracing apps | 25 |
this version posted september | 24 |
definition of a close | 24 |
as shown in fig | 24 |
for this this version | 24 |
this this version posted | 24 |
preprint the copyright holder | 24 |
holder for this this | 24 |
to the spread of | 24 |
of the infectious period | 23 |
the definition of a | 23 |
of a close contact | 23 |
the basic reproduction number | 22 |
of digital contact tracing | 22 |
and the number of | 22 |
a large number of | 21 |
contact tracing and isolation | 21 |
the effective reproduction number | 21 |
contacts of leprosy patients | 21 |
number of contacts per | 21 |
the mean number of | 20 |
the physical distancing survey | 19 |
at the time of | 19 |
and duration of contacts | 19 |
number of contacts in | 18 |
total number of contacts | 18 |
over the course of | 18 |
of contact tracing for | 17 |
efficacy of contact tracing | 17 |
on the basis of | 17 |
that the number of | 17 |
a function of the | 17 |
it is possible to | 17 |
the use of a | 17 |
effectiveness of contact tracing | 17 |
isolation and contact tracing | 17 |
is likely to be | 16 |
of the novel coronavirus | 16 |
contact with an infected | 16 |
available under a perpetuity | 16 |
number and duration of | 16 |
of contact tracing and | 16 |
patterns relevant to the | 16 |
relevant to the spread | 16 |
contact tracing in the | 16 |
with the index case | 16 |
contacts and mixing patterns | 16 |
the effective contact rate | 16 |
of contacts in the | 16 |
mixing patterns relevant to | 16 |
social contacts and mixing | 15 |
u s c r | 15 |
a n u s | 15 |
epidemic control with digital | 15 |
has the potential to | 15 |
with digital contact tracing | 15 |
transmission suggests epidemic control | 15 |
the use of the | 15 |
the course of the | 15 |
n u s c | 15 |
of severe acute respiratory | 15 |
the number of infections | 15 |
this version posted july | 15 |
control with digital contact | 15 |
r i p t | 15 |
been in contact with | 15 |
and mixing patterns relevant | 15 |
suggests epidemic control with | 15 |
s c r i | 15 |
of the contact tracing | 15 |
c r i p | 15 |
the end of the | 15 |
m a n u | 15 |
contact tracing is a | 14 |
contact with the index | 14 |
is shown in fig | 14 |
in the physical distancing | 14 |
the beginning of the | 14 |
the number of people | 14 |
the casual contact ring | 14 |
person who is infected | 14 |
the number of samples | 14 |
c e p t | 13 |
a c c e | 13 |
e d m a | 13 |
influenza a h n | 13 |
e p t e | 13 |
c c e p | 13 |
p t e d | 13 |
as shown in figure | 13 |
of cases and contacts | 13 |
the efficacy of contact | 13 |
d m a n | 13 |
in terms of the | 13 |
t e d m | 13 |
the case of a | 13 |
impact of contact tracing | 12 |
in the casual contact | 12 |
the number of infected | 12 |
control of the covid | 12 |
the number of cases | 12 |
the size of the | 12 |
the world health organization | 12 |
as part of the | 12 |
we can see that | 12 |
centers for disease control | 12 |
at the end of | 12 |
the person who is | 12 |
for the spread of | 12 |
that can be used | 12 |
it is important to | 12 |
isolation of cases and | 12 |
the probability of an | 12 |
n a l p | 11 |
number of infected individuals | 11 |
r n a l | 11 |
the duration of the | 11 |
the time of writing | 11 |
the contact tracing system | 11 |
greater risk of infection | 11 |
times greater risk of | 11 |
in contact with a | 11 |
the expected number of | 11 |
the number of secondary | 11 |
the maximum number of | 11 |
number of infected persons | 11 |
a l p r | 11 |
the effectiveness of contact | 11 |
in addition to the | 11 |
o u r n | 11 |
with an infected person | 11 |
the dynamics of the | 11 |
this version posted october | 11 |
j o u r | 11 |
the spread of disease | 11 |
r o o f | 11 |
u r n a | 11 |
for disease control and | 11 |
a small number of | 11 |
the reduction in the | 11 |
middle east respiratory syndrome | 11 |
basic reproduction number r | 11 |
disease control and prevention | 11 |
the effectiveness of the | 11 |
we focus on the | 11 |
the number and duration | 11 |
l p r e | 11 |
p r o o | 11 |
is the number of | 11 |
number of secondary infections | 11 |
the impact of the | 10 |
of contact tracing in | 10 |
on the reproduction number | 10 |
in contact with an | 10 |
preventing the spread of | 10 |
a wide range of | 10 |
contact tracing as a | 10 |
the spread of an | 10 |
when the number of | 10 |
quarantine safety protection app | 10 |
the total duration of | 10 |
outbreaks by isolation of | 10 |
contact tracing has been | 10 |
of contacts per day | 10 |
human activities and health | 10 |
as the number of | 10 |
have been exposed to | 10 |
exposed to the virus | 10 |
the accuracy of the | 10 |
the start of the | 10 |
by isolation of cases | 10 |
acute respiratory syndrome coronavirus | 10 |
as a result of | 10 |
come into contact with | 10 |
number of secondary cases | 10 |
as part of a | 10 |
the initial number of | 9 |
feasibility of controlling covid | 9 |
number of contacts and | 9 |
school and casual contacts | 9 |
number of contacts was | 9 |
the results of the | 9 |
the impact of contact | 9 |
control the spread of | 9 |
the age of the | 9 |
transmission and control of | 9 |
would need to be | 9 |
the rest of the | 9 |
have been in contact | 9 |
the number of contact | 9 |
number of contact events | 9 |
spread of the disease | 9 |
the closed trefoil knot | 9 |
who have been in | 9 |
been exposed to the | 9 |
on the use of | 9 |
we assume that the | 9 |
to keep track of | 9 |
may have been exposed | 9 |
the number of daily | 9 |
for infectious disease transmission | 9 |
mean number of contacts | 9 |
fraction of the population | 9 |
contact tracing is effective | 9 |
are shown in fig | 9 |
for the purposes of | 9 |
on the number of | 9 |
the number of individuals | 9 |
the effectiveness of school | 9 |
the probability of transmission | 9 |
number of daily contacts | 9 |
as can be seen | 9 |
of the reproduction number | 9 |
for the development of | 9 |
the number of vaccinations | 9 |
of digital exposure notification | 9 |
the length of the | 9 |
in the baseline survey | 9 |
are assumed to be | 9 |
use of mobile phone | 8 |
in the spread of | 8 |
the identity of the | 8 |
the transmission of covid | 8 |
is one of the | 8 |
the context of the | 8 |
the early stages of | 8 |
of this paper is | 8 |
number of contacts of | 8 |
benefits of contact tracing | 8 |
the fact that the | 8 |
for digital contact tracing | 8 |
patients and staff in | 8 |
the new york times | 8 |
people who have been | 8 |
the magnitude of the | 8 |
the containment of the | 8 |
to the level of | 8 |
section of this paper | 8 |
disease prevention and control | 8 |
of contact tracing applications | 8 |
in the form of | 8 |
number of contacts between | 8 |
prevention and control of | 8 |
the fraction of contacts | 8 |
transmission before symptom onset | 8 |
the received signal strength | 8 |
structure of the population | 8 |
our results show that | 8 |
on the spread of | 8 |
of the index case | 8 |
the absence of any | 8 |
is based on the | 8 |
will depend on the | 8 |
transmission dynamics in wuhan | 8 |
should be locked down | 8 |
the effect of the | 8 |
it is necessary to | 8 |
have come in contact | 8 |
the control of the | 8 |
the index case and | 8 |
use of the app | 8 |
contact tracing for the | 8 |
as shown in table | 8 |
of an infectious disease | 8 |
the mathematical theory of | 8 |
it is clear that | 8 |
come in contact with | 8 |
the development of a | 8 |
not be able to | 8 |
to the number of | 8 |
digital contact tracing solutions | 8 |
in the presence of | 8 |
household contacts of leprosy | 8 |
in this paper we | 8 |
and the probability of | 8 |
case isolation and contact | 8 |
contact tracing is the | 8 |
effectiveness of school closings | 7 |
of manual contact tracing | 7 |
federated states of micronesia | 7 |
the capacity of the | 7 |
the ratio of the | 7 |
by a factor of | 7 |
the course of a | 7 |
human contact network for | 7 |
isolation and quarantine efficacy | 7 |
tracing for the containment | 7 |
of contact tracing as | 7 |
both in terms of | 7 |
containment of the novel | 7 |
network for infectious disease | 7 |
to the use of | 7 |
the percentage reduction in | 7 |
contact tracing apps can | 7 |
of the registered users | 7 |
a systematic review of | 7 |
for the containment of | 7 |
they have been in | 7 |
guidelines for the diagnosis | 7 |
detected in the community | 7 |
contact network for infectious | 7 |
early diagnosis of covid | 7 |
a reduction in the | 7 |
the value of the | 7 |
to the mathematical theory | 7 |
in the early stages | 7 |
in the close contact | 7 |
spread of the infection | 7 |
who may have been | 7 |
when contact tracing is | 7 |
spread of an infectious | 7 |
of human activities and | 7 |
the use of bluetooth | 7 |
came into contact with | 7 |
mathematical theory of epidemics | 7 |
the probability of infection | 7 |
the index case in | 7 |
have been in close | 7 |
during the study period | 7 |
to control the spread | 7 |
in close contact with | 7 |
the results of this | 7 |
early transmission dynamics in | 7 |
for each of the | 7 |
need to be traced | 7 |
of the basic reproduction | 7 |
the social contact survey | 7 |
contact tracing for covid | 7 |
proximity to each other | 7 |
had contact with the | 7 |
the incubation period of | 7 |
a reproduction number of | 7 |
with the number of | 7 |
the secondary attack rate | 7 |
contact with a person | 7 |
of contact tracing is | 7 |
in close proximity to | 7 |
reduction in the number | 7 |
average number of secondary | 7 |
the onset of symptoms | 7 |
definition of a contact | 7 |
beginning of the pandemic | 7 |
publicly reported confirmed cases | 7 |
number of people infected | 7 |
when a person is | 7 |
for contact tracing to | 7 |
the use of contact | 7 |
to control the epidemic | 7 |
number of initial cases | 7 |
of the epidemic threshold | 7 |
the contact trace data | 7 |
fraction of symptomatic cases | 7 |
which was not peer | 7 |
effective reproduction number r | 7 |
digital contact tracing is | 7 |
the probability that a | 7 |
visited by the user | 7 |
can be used for | 7 |
from publicly reported confirmed | 7 |
on the effectiveness of | 7 |
are based on the | 7 |
epidemic prevention and control | 7 |
in the event of | 7 |
the location of the | 7 |
the probability of being | 7 |
distribution of the number | 7 |
of contacts between individuals | 7 |
of physical distancing measures | 7 |
contact tracing can be | 7 |
reduce the number of | 7 |
are more likely to | 7 |
specific social mixing matrices | 7 |
day of the infectious | 7 |
are likely to be | 6 |
manual contact tracing is | 6 |
are shown in table | 6 |
when it comes to | 6 |
no reuse allowed without | 6 |
contact with an infectious | 6 |
countries using contact surveys | 6 |
a systematic review and | 6 |
of the system is | 6 |
to the fact that | 6 |
social contact matrices in | 6 |
mixing matrices from the | 6 |
in the main text | 6 |
prevent the spread of | 6 |
we find that the | 6 |
locations visited by the | 6 |
incubation period of coronavirus | 6 |
understand the impact of | 6 |
the number of social | 6 |
that there is a | 6 |
of the population is | 6 |
the impact of control | 6 |
systematic review and meta | 6 |
as a control measure | 6 |
treatment and prevention of | 6 |
reducing transmission of sars | 6 |
impact of control measures | 6 |
a digital contact tracing | 6 |
in the general population | 6 |
samples observed by the | 6 |
people who are infected | 6 |
information of the users | 6 |
and their household contacts | 6 |
that they have no | 6 |
most likely to be | 6 |
in the near future | 6 |
put a surgical mask | 6 |
for disease prevention and | 6 |
the open trefoil knot | 6 |
as a consequence of | 6 |
infections prevented per vaccination | 6 |
tens of thousands of | 6 |
it is imperative to | 6 |
the contact patterns of | 6 |
in countries using contact | 6 |
at the individual level | 6 |
distancing on reducing transmission | 6 |
to reduce the spread | 6 |
tracing as a control | 6 |
the combined effect of | 6 |
since the beginning of | 6 |
is to reduce the | 6 |
physical distancing on reducing | 6 |
the privacy of the | 6 |
the authors declare that | 6 |
in order to determine | 6 |
and the effect of | 6 |
to understand the impact | 6 |
reuse allowed without permission | 6 |
the potential impact of | 6 |
have been used to | 6 |
can be used in | 6 |
in the face of | 6 |
it is difficult to | 6 |
an important role in | 6 |
in the population and | 6 |
distributed random variable with | 6 |
the social distancing score | 6 |
the republic of korea | 6 |
number of contacts reported | 6 |
in the next section | 6 |
it is possible that | 6 |
can be computed as | 6 |
symptomatic cases that are | 6 |
contact matrices in countries | 6 |
is not possible to | 6 |
for the use of | 6 |
duration of these contacts | 6 |
in our data set | 6 |
contact sensing platform for | 6 |
is organized as follows | 6 |
to identify people who | 6 |
tracing and physical distancing | 6 |
period of coronavirus disease | 6 |
on the role of | 6 |
of symptomatic cases that | 6 |
number of samples observed | 6 |
using contact surveys and | 6 |
the registered users in | 6 |
diagnosed with an infectious | 6 |
contacts in the community | 6 |
and physical distancing on | 6 |
average number of daily | 6 |
contacts that are successfully | 6 |
our proposed p ct | 6 |
c i s u | 6 |
digital contact tracing systems | 6 |
shows the fraction of | 6 |
the ideal closed trefoil | 6 |
of the effectiveness of | 6 |
the distance between the | 6 |
that need to be | 6 |
exposure to the virus | 6 |
contact lens wear and | 6 |
referred to as the | 6 |
the bbc pandemic project | 6 |
is determined by the | 6 |
of individuals in the | 6 |
model the spread of | 6 |
and control of covid | 6 |
more likely to be | 6 |
proximity to the infected | 6 |
in the contact tracing | 6 |
in order to identify | 6 |
public health management of | 6 |
the initial phase of | 6 |
and for how long | 6 |
in section of this | 6 |
contact tracing and physical | 6 |
of the transmission rate | 6 |
registered users in the | 6 |
of the contact network | 6 |
study was conducted in | 6 |
probability of an epidemic | 6 |
on reducing transmission of | 6 |
and prevention of leprosy | 6 |
this version posted april | 6 |
it is recommended to | 6 |
novel coronavirus in the | 6 |
are not included in | 6 |
of samples observed by | 6 |
contact with the infected | 6 |
concerns about privacy infringement | 6 |
were more likely to | 6 |
the distribution of the | 6 |
impact of social distancing | 6 |
is due to the | 6 |
the contact tracing process | 6 |
number of reported contacts | 6 |
before the onset of | 6 |
can see that the | 6 |
the structure of the | 6 |
exposed to the disease | 6 |
contact surveys and demographic | 6 |
shows the number of | 6 |
the early diagnosis of | 6 |
developed a dashboard to | 6 |
the value of r | 6 |
an unsupervised machine learning | 6 |
the impact of physical | 6 |
and the duration of | 6 |
infectious diseases of humans | 6 |
the probability of achieving | 6 |
a false sense of | 6 |
the spread of infection | 6 |
to contain the epidemic | 6 |
the time of the | 6 |
work and casual contacts | 6 |
observed by the smartwatch | 6 |
was supported by the | 6 |
the duration of contact | 6 |
probability of achieving control | 6 |
with an infectious disease | 6 |
in the control of | 6 |
the case of covid | 6 |
matrices in countries using | 6 |
between symptom onset and | 6 |
have come into contact | 6 |
to the general population | 6 |
projecting social contact matrices | 6 |
the context of covid | 6 |
the rate at which | 6 |
study the effect of | 6 |
of those who have | 6 |
of infectious diseases and | 6 |
total number of cases | 6 |
number of social contacts | 6 |
use of a mobile | 6 |
and digital contact tracing | 6 |
it is essential to | 6 |
contacts within the home | 6 |
index case in a | 6 |
by the number of | 6 |
of the collected data | 6 |
and shortness of breath | 6 |
declare that they have | 6 |
a positive test result | 6 |
monitoring of human activities | 6 |
use of contact tracing | 6 |
in the united kingdom | 6 |
to reduce the number | 6 |
the fraction of symptomatic | 6 |
the effective number of | 6 |
number of vaccinations performed | 6 |
reduce the spread of | 6 |
authors declare that they | 6 |
surveys and demographic data | 6 |
the city of kolkata | 6 |
of the republic of | 5 |
the impact of different | 5 |
changes in contact patterns | 5 |
the dominant eigenvalue of | 5 |
in rt in the | 5 |
in the development of | 5 |
between healthcare workers and | 5 |
of reduction in transmission | 5 |
to gloves and gown | 5 |
vertical axis shows the | 5 |
for the slum population | 5 |
healthcare workers and patients | 5 |
impact of physical distance | 5 |
the explicit list of | 5 |
were referred for testing | 5 |
among patients and staff | 5 |
number of infections and | 5 |
a surgical mask on | 5 |
a contact tracing application | 5 |
distance measures on the | 5 |
the presence of a | 5 |
cases that are detected | 5 |
was approved by the | 5 |
contacts in the population | 5 |
this kind of approach | 5 |
lens wear during the | 5 |
in the same location | 5 |
means clustering algorithm is | 5 |
whether or not they | 5 |
node corresponds to one | 5 |
preserving contact tracing system | 5 |
hygiene and infection control | 5 |
contact tracing to be | 5 |
of social contact surveys | 5 |
contact tracing and the | 5 |
department of health and | 5 |
of the population using | 5 |
mobile phone apps in | 5 |
of thousands of users | 5 |
we believe that the | 5 |
for the purpose of | 5 |
phone apps in the | 5 |
rates of illness and | 5 |
models of contact tracing | 5 |
this approach is not | 5 |
can be used as | 5 |
with the infected person | 5 |
and other personnel use | 5 |
list of time intervals | 5 |
the centerline of the | 5 |
the epidemic threshold is | 5 |
cap in addition to | 5 |
each node corresponds to | 5 |
should be able to | 5 |
of the population in | 5 |
on the transmission of | 5 |
case in a medical | 5 |
and has an attribute | 5 |
infection control for hospitals | 5 |
initial number of infected | 5 |
the risk of infection | 5 |
initial number of cases | 5 |
refers to the level | 5 |
the number of initial | 5 |
per day in the | 5 |
digital contact tracing app | 5 |
digital exposure notification and | 5 |
is the fraction of | 5 |
it is not possible | 5 |
highlights the need to | 5 |
the government of the | 5 |
for epidemic prevention and | 5 |
in addition to gloves | 5 |
the entropic cost of | 5 |
contacts of patients with | 5 |
the transmission and control | 5 |
a key role in | 5 |
number of contacts that | 5 |
the age and gender | 5 |
patterns of the population | 5 |
ill persons and their | 5 |
the probability that the | 5 |
a close contact can | 5 |
contact network for day | 5 |
gloves and gown overall | 5 |
in an attempt to | 5 |
controlling the spread of | 5 |
in this paper is | 5 |
the lancet public health | 5 |
initial phase of the | 5 |
the contact tracing app | 5 |
contact tracing apps in | 5 |
tracing in emerging epidemics | 5 |
percentage reduction in rt | 5 |
the number of locations | 5 |
of the current study | 5 |
visor and cap in | 5 |
distribution of the population | 5 |
corresponds to one rfid | 5 |
social mixing on outcomes | 5 |
and health code app | 5 |
contact tracing and vaccination | 5 |
strategies to reduce social | 5 |
the purpose of the | 5 |
paper is organized as | 5 |
contact tracing apps and | 5 |
mixing on outcomes of | 5 |
social contact surveys to | 5 |
having had contact with | 5 |
rfid tag and has | 5 |
than hours of contact | 5 |
the process of identifying | 5 |
the reproduction number is | 5 |
number of locations visited | 5 |
physical distance measures on | 5 |
the validity of the | 5 |
digital contact tracing applications | 5 |
hospital beds in sydney | 5 |
by as much as | 5 |
of the population and | 5 |
use of digital contact | 5 |
social mixing matrices from | 5 |
contact surveys to inform | 5 |
the focus of the | 5 |
digital contact tracing apps | 5 |
beds will be used | 5 |
of contacts per participant | 5 |
individuals were in contact | 5 |
from onset to isolation | 5 |
each edge has attributes | 5 |
may have come in | 5 |
the number of users | 5 |
of illness and death | 5 |
with an average of | 5 |
the data collected by | 5 |
value of the epidemic | 5 |
of the virus in | 5 |
the numbers of contacts | 5 |
have the potential to | 5 |
age and gender of | 5 |
the impact of social | 5 |
of the general population | 5 |
this is due to | 5 |
contact screening and sdr | 5 |
contact events between the | 5 |
of the average number | 5 |
to account for the | 5 |
of our study is | 5 |
transmission and contact tracing | 5 |
the household size distribution | 5 |
the behavior of the | 5 |
the extent to which | 5 |
addition to gloves and | 5 |
of the bluetooth le | 5 |
to the ground truth | 5 |
from symptom onset to | 5 |
surveys to inform transmission | 5 |
contact tracing is not | 5 |
surgical mask on the | 5 |
purpose of contact tracing | 5 |
be used to identify | 5 |
mask on the patient | 5 |
of the spread of | 5 |
is diagnosed with an | 5 |
is the process of | 5 |
level of reduction in | 5 |
and cap in addition | 5 |
slow the spread of | 5 |
to inform transmission models | 5 |
bluetooth low energy is | 5 |
government of the republic | 5 |
between the corresponding rfid | 5 |
in the first scenario | 5 |
the level of reduction | 5 |
in response to the | 5 |
the dynamic contact network | 5 |
to reduce social mixing | 5 |
is shown in figure | 5 |
indicates the role of | 5 |
of the effect of | 5 |
the transmission rate of | 5 |
the role of the | 5 |
and the distribution of | 5 |
and infection control for | 5 |
reduction in rt in | 5 |
for ebola virus disease | 5 |
quantifying the impact of | 5 |
tracing is a well | 5 |
number of participants in | 5 |
are detected in the | 5 |
if they have been | 5 |
were in contact with | 5 |
number of contacts from | 5 |
that the area should | 5 |
a limited number of | 5 |
the reproduction number for | 5 |
horizontal axis shows the | 5 |
of a contact is | 5 |
the mean outbreak size | 5 |
should be noted that | 5 |
the disease control authority | 5 |
household size distribution for | 5 |
in the transmission and | 5 |
time intervals during which | 5 |
would like to thank | 5 |
the number of persons | 5 |
effect of digital exposure | 5 |
tracing and isolation of | 5 |
of physical distance measures | 5 |
tracing scenario relative to | 5 |
contact patterns in a | 5 |
the effective reproductive number | 5 |
the cumulative number of | 5 |
symptom onset and isolation | 5 |
the effectiveness of this | 5 |
in the sense that | 5 |
the basis of the | 5 |
physical distancing measures could | 5 |
who have come into | 5 |
take into account the | 5 |
to contain an outbreak | 5 |
one rfid tag and | 5 |
in hygiene and infection | 5 |
which the individuals were | 5 |
effect of control strategies | 5 |
the need to understand | 5 |
and the use of | 5 |
distance between any two | 5 |
the risk of an | 5 |
total duration of these | 5 |
in contact with the | 5 |
of the application and | 5 |
from the literature review | 5 |
to stay at home | 5 |
isolation of symptomatic cases | 5 |
to one rfid tag | 5 |
apps in the control | 5 |
a person is diagnosed | 5 |
contacts need to be | 5 |
that are successfully traced | 5 |
control strategies to reduce | 5 |
measures on the transmission | 5 |
of contacts with other | 5 |
the use of mobile | 5 |
total number of infections | 5 |
transmission probability per contact | 5 |
it should be noted | 5 |
can be found in | 5 |
of contact tracing strategies | 5 |
inform transmission models of | 5 |
our findings suggest that | 5 |
the early stage of | 5 |
effect of a vaccination | 5 |
data from the uk | 5 |
can serve as a | 5 |
effectiveness of the intervention | 5 |
are in proximity to | 5 |
with the exception of | 5 |
the horizontal axis shows | 5 |
the early phase of | 5 |
meet the definition of | 5 |
effects in the transmission | 5 |
not included in the | 5 |
will not be an | 5 |
the corresponding rfid tags | 5 |
by the digital system | 5 |
to a central server | 5 |
of the total number | 5 |
contacts of confirmed cases | 5 |
with the goal of | 5 |
the individuals were in | 5 |
review of social contact | 5 |
number of contacts for | 5 |
on the size of | 5 |
early phase of the | 5 |
tracing in the context | 5 |
contact tracing in emerging | 5 |
of the effects of | 5 |
matrices from the bbc | 5 |
if there is a | 5 |
on outcomes of the | 5 |
we developed a smartphone | 5 |
the severe acute respiratory | 5 |
is related to the | 5 |
likely to be a | 5 |
of the infected person | 5 |
more than hours of | 5 |
the individual wearing the | 5 |
axis shows the fraction | 5 |
large number of contacts | 5 |
that the use of | 5 |
role of the individual | 5 |
of the individual wearing | 5 |
transmission of the disease | 5 |
events between the corresponding | 5 |
of social distancing measures | 5 |
to prevent the spread | 5 |
outcomes of the covid | 5 |
than average number of | 5 |
that are detected in | 5 |
handbook in hygiene and | 5 |
in the effectiveness of | 5 |
as well as a | 5 |
epidemic in the uk | 5 |
contact tracing scenario relative | 5 |
from the bbc pandemic | 5 |
in a pediatric ward | 5 |
people who may have | 5 |
fraction of contacts that | 5 |
of control strategies to | 5 |
persons and their household | 5 |
the traditional contact tracing | 5 |
to seek medical advice | 5 |
of time intervals during | 5 |
in a medical institution | 5 |
contacts of individuals with | 5 |
scenario relative to rt | 5 |
this comes at a | 5 |
number of weekly cases | 5 |
of the gcg app | 5 |
for the early diagnosis | 5 |
the effect of control | 5 |
individual wearing the tag | 5 |
of an epidemic outbreak | 5 |
comes at a high | 5 |
during which the individuals | 5 |
in order to be | 5 |
and put a surgical | 5 |
reduce social mixing on | 5 |
probability of being traced | 5 |
of contact events between | 5 |
countries around the world | 5 |
findings of this study | 5 |
that indicates the role | 5 |
as the index case | 5 |
the time to diagnosis | 5 |
at the beginning of | 5 |
the vertical axis shows | 5 |
contact tracing system is | 5 |
this is the first | 5 |
the probability that an | 5 |
systematic review of social | 5 |
explicit list of time | 5 |
intervals during which the | 5 |
tag and has an | 5 |
dependent effects in the | 5 |
the sum of the | 5 |
design and implementation of | 5 |
the age mixing patterns | 5 |
of mobile phone apps | 4 |
recent estimates for covid | 4 |
the distribution of secondary | 4 |
during the initial phase | 4 |
social contact data to | 4 |
a decrease in the | 4 |
we see that the | 4 |
protective effect of bcg | 4 |
number of marginal infections | 4 |
remains neutral with regard | 4 |
need to understand the | 4 |
a group of people | 4 |
in order to prevent | 4 |
the number of such | 4 |
changes in contact rates | 4 |
exposed persons are registered | 4 |
and management of contact | 4 |
who had contact with | 4 |
developing a ml dl | 4 |
the absence of a | 4 |
contact tracing and disease | 4 |
tracing for ebola virus | 4 |
that it is possible | 4 |
introduction of a new | 4 |
the behaviour of the | 4 |
individual variation on disease | 4 |
a crucial role in | 4 |
who were in contact | 4 |
the strength of the | 4 |
the difference between the | 4 |
be used as a | 4 |
with a median of | 4 |
used to predict the | 4 |
a high probability of | 4 |
claims in published maps | 4 |
the novel coronavirus sars | 4 |
there are a number | 4 |
measure the effectiveness of | 4 |
published maps and institutional | 4 |
shape the dynamics of | 4 |
staff and other personnel | 4 |
the reference value of | 4 |
the value of being | 4 |
in the uk in | 4 |
the contact tracing scenario | 4 |
of health and human | 4 |
and the total number | 4 |
rim of the contact | 4 |
agents in a population | 4 |
municipal infection control doctor | 4 |
influenza pandemic in southeast | 4 |
alone is unlikely to | 4 |
within days after arrival | 4 |
primary and secondary contacts | 4 |
recursive tracing of second | 4 |
reproduction number for covid | 4 |
such as social distancing | 4 |
presumed asymptomatic carrier transmission | 4 |
has been exposed to | 4 |
trace the contacts for | 4 |
the magnetic field strength | 4 |
into close physical contact | 4 |
value of being in | 4 |
as one would expect | 4 |
data in order to | 4 |
and widely trace the | 4 |
was found to be | 4 |
users of contact tracing | 4 |
the first index case | 4 |
offline and online questionnaires | 4 |
a member of group | 4 |
and contact tracing to | 4 |
and effective contact tracing | 4 |
during the infectious period | 4 |
nature remains neutral with | 4 |
contact tracing strategies for | 4 |
in new york city | 4 |
in contacts of patients | 4 |
is assumed to be | 4 |
transmission models of close | 4 |
also be noted that | 4 |
wear during the pandemic | 4 |
the proportion of transmission | 4 |
than in cases will | 4 |
and mixing patterns with | 4 |
list of individuals in | 4 |
the number of deaths | 4 |
effects of school closings | 4 |
affected by the prevalence | 4 |
the model can be | 4 |
pandemic influenza in the | 4 |
carrier transmission of covid | 4 |
the ability of the | 4 |
to better understand the | 4 |
of the disease in | 4 |
compliance during the covid | 4 |
is the probability of | 4 |
a number of important | 4 |
tracing has the potential | 4 |
be locked down or | 4 |
study was approved by | 4 |
contain the spread of | 4 |
of the total population | 4 |
together with the municipal | 4 |
doctor is notified and | 4 |
in the second scenario | 4 |
for developing a ml | 4 |
personal privacy in an | 4 |
measurements of the registered | 4 |
members of the population | 4 |
to control the pandemic | 4 |
in published maps and | 4 |
epidemiological parameters and epidemic | 4 |
contact network of the | 4 |
the rest of this | 4 |
logistical burden with an | 4 |
purposes of contact tracing | 4 |
neutral with regard to | 4 |
a large impact on | 4 |
all age groups are | 4 |
to individuals they are | 4 |
to perform contact tracing | 4 |
the peak number of | 4 |
increases the risk of | 4 |
an estimate of the | 4 |
index case returns a | 4 |
the effect of interventions | 4 |
not depend on the | 4 |
centre for disease prevention | 4 |
by the fact that | 4 |
the performance of the | 4 |
ambulance staff and other | 4 |
maximum number of weekly | 4 |
global partnership for zero | 4 |
vicinity and notifying contacts | 4 |
domain of the spike | 4 |
and can be used | 4 |
a digital tracing system | 4 |
electronic contact tracing solutions | 4 |
demographic structure of the | 4 |
in the federated states | 4 |
to research hypothesis h | 4 |
tested positive for covid | 4 |
to manual contact tracing | 4 |
taking recent estimates for | 4 |
of contacts over a | 4 |
ribose phosphatase domain of | 4 |
distance measurements of the | 4 |
the following are the | 4 |
benefits of the app | 4 |
when they are in | 4 |
individuals they are in | 4 |
contacts or officials of | 4 |
a power law distribution | 4 |
i am concerned about | 4 |
results are shown in | 4 |
that the average number | 4 |
how lockdown mass quarantine | 4 |
the close contact ring | 4 |
assessing disease exposure risk | 4 |
vaccination coverage in the | 4 |
in the design of | 4 |
two columns show results | 4 |
as many secondary infections | 4 |
secondary attack rate w | 4 |
may be more likely | 4 |
predict that the area | 4 |
identify people who are | 4 |
ml dl model to | 4 |
the probability of elimination | 4 |
manual and digital contact | 4 |
of ct apps is | 4 |
a a a a | 4 |
algorithm is used to | 4 |
contact tracing apps to | 4 |
is infected with covid | 4 |
best of our knowledge | 4 |
a list of individuals | 4 |
the post lockdown period | 4 |
between different age groups | 4 |
the main difference between | 4 |
spread of the epidemic | 4 |
use of sensitive personal | 4 |
in contact patterns shape | 4 |
and health authorities to | 4 |
mobile applications and the | 4 |
superspreading and the effect | 4 |
many secondary infections as | 4 |
the length of time | 4 |
a high rate of | 4 |
propose the use of | 4 |
is unlikely to be | 4 |
are a number of | 4 |
one of the first | 4 |
personnel use the contact | 4 |
of electronic contact tracing | 4 |
public health response to | 4 |
coupled to predictive models | 4 |
in the longer term | 4 |
officials of confirmed covid | 4 |
and in some cases | 4 |
the initial reproductive ratio | 4 |
to an infected individual | 4 |
of the user and | 4 |
tracing strategies for covid | 4 |
the need for a | 4 |
contact tracing has the | 4 |
encounters in a pediatric | 4 |
the cost of the | 4 |
the burden of tracing | 4 |
the range of possible | 4 |
contact patterns shape the | 4 |
the primary and secondary | 4 |
those who had contact | 4 |
the impact of covid | 4 |
or officials of confirmed | 4 |
to jurisdictional claims in | 4 |
to model the spread | 4 |
contact tracing of a | 4 |
offers an opportunity to | 4 |
physical closed trefoil knot | 4 |
of the effective contact | 4 |
a us school setting | 4 |
early estimation of epidemiological | 4 |
the details of the | 4 |
that may go untraced | 4 |
and hence tackling the | 4 |
should be shared with | 4 |
contact tracing among flight | 4 |
the distance between any | 4 |
will need to be | 4 |
contact can reduce this | 4 |
dashboard to provide a | 4 |
a risk factor for | 4 |
lockdown mass quarantine can | 4 |
contact tracing in a | 4 |
the average secondary infections | 4 |
informal settlements around nairobi | 4 |
in a us school | 4 |
effective number of contacts | 4 |
mass quarantine can be | 4 |
of secondary cases that | 4 |
contacts per day in | 4 |
of people who have | 4 |
governments around the world | 4 |
as soon as possible | 4 |
delay from onset to | 4 |
users of the system | 4 |
a period of time | 4 |
with the index patient | 4 |
notifying contacts or officials | 4 |
will generate any subsequent | 4 |
into contact with an | 4 |
a critical mass of | 4 |
case returns a positive | 4 |
have had close contact | 4 |
tests positive of covid | 4 |
have not been diagnosed | 4 |
be used by the | 4 |
person is diagnosed with | 4 |
in the polymod study | 4 |
isolation or quarantine period | 4 |
of the population are | 4 |
in proximity to each | 4 |
control doctor is notified | 4 |
the findings of this | 4 |
contact was defined as | 4 |
missed by contact tracing | 4 |
we would like to | 4 |
contact patterns in the | 4 |
it comes to the | 4 |
with regard to the | 4 |
incidental contacts that the | 4 |
day of the week | 4 |
around the world have | 4 |
participants were asked to | 4 |
we assumed that of | 4 |
of instantaneous contact tracing | 4 |
tracing apps can be | 4 |
that are not traced | 4 |
are in the proximity | 4 |
mortality and healthcare demand | 4 |
occurred before symptom onset | 4 |
and is responsible for | 4 |
generate any subsequent untraced | 4 |
management of contact tracing | 4 |
an average of individuals | 4 |
in the average number | 4 |
the contacts for confirmed | 4 |
approach is not only | 4 |
dominant eigenvalue of the | 4 |
negative binomial distribution with | 4 |
implementation and management of | 4 |
to control an outbreak | 4 |
relevant for the spread | 4 |
we developed a dashboard | 4 |
who is infected and | 4 |
the federated states of | 4 |
van de kassteele et | 4 |
for the united states | 4 |
the app in the | 4 |
of the virus to | 4 |
course of the epidemic | 4 |
are approaching to each | 4 |
the novel coronavirus disease | 4 |
we also developed a | 4 |
they are located in | 4 |
of his or her | 4 |
the effects of contact | 4 |
is the lack of | 4 |
as a proxy for | 4 |
with an infectious individual | 4 |
phase of the pandemic | 4 |
a ml dl model | 4 |
a high level of | 4 |
at all levels of | 4 |
received signal strength indicator | 4 |
largest eigenvalue of the | 4 |
of the contact surface | 4 |
parameters and epidemic predictions | 4 |
have been identified as | 4 |
individuals in the vicinity | 4 |
close contact can reduce | 4 |
reducing the number of | 4 |
we therefore consider the | 4 |
privacy in an epidemic | 4 |
number of infections prevented | 4 |
was shown to be | 4 |
the time needed to | 4 |
a basic reproduction number | 4 |
asymptomatic carrier transmission of | 4 |
the folding initiation events | 4 |
secondary infections as undetected | 4 |
hours of contact is | 4 |
more than half of | 4 |
contacts will be identifiable | 4 |
the university of iowa | 4 |
hence tackling the economic | 4 |
heart rate and breathing | 4 |
rest of this paper | 4 |
based on the assumption | 4 |
in the inner segments | 4 |
contact tracing and other | 4 |
be used in the | 4 |
performance and security monitoring | 4 |
high logistical burden with | 4 |
on the effect of | 4 |
at a high logistical | 4 |
digital contact tracing and | 4 |
are unlikely to be | 4 |
proximity and mixing patterns | 4 |
contact tracing for ebola | 4 |
effective contact tracing is | 4 |
but also tracks the | 4 |
sensing for contact tracing | 4 |
and public health authorities | 4 |
is not only providing | 4 |
patterns shape the dynamics | 4 |
in cases will generate | 4 |
can be recognized by | 4 |
focus of this paper | 4 |
if the probability of | 4 |
can reduce this burden | 4 |
we predict that of | 4 |
close physical contact with | 4 |
to an infected person | 4 |
number of index cases | 4 |
of the infection rate | 4 |
and distance measurements of | 4 |
report the number of | 4 |
for the first time | 4 |
automatically and widely trace | 4 |
tracing and disease control | 4 |
other personnel use the | 4 |
as an unsupervised machine | 4 |
of the fact that | 4 |
contact tracing of covid | 4 |
hospital and icu beds | 4 |
transmission potential of smallpox | 4 |
c i x u | 4 |
of the magnetic field | 4 |
transmission of influenza a | 4 |
durations of contacts between | 4 |
duration of the infectious | 4 |
the majority of the | 4 |
those who may have | 4 |
municipal emergency response group | 4 |
the incidental contacts that | 4 |
protective effect against leprosy | 4 |
maps and institutional affiliations | 4 |
had close contact with | 4 |
the number of infectious | 4 |
the hazard function for | 4 |
the proximity to the | 4 |
as much as possible | 4 |
cases will generate any | 4 |
tracing is effective but | 4 |
partnership for zero leprosy | 4 |
city of new york | 4 |
binding domain of the | 4 |
mixing patterns of the | 4 |
resolution human contact network | 4 |
of the spike protein | 4 |
of influenza a h | 4 |
medrxiv preprint figure s | 4 |
for a period of | 4 |
disease exposure risk with | 4 |
to automatically and widely | 4 |
had brief contact with | 4 |
number of contacts during | 4 |
of the closed trefoil | 4 |
the size of an | 4 |
contact of longer than | 4 |
detailed survey information on | 4 |
in the vicinity and | 4 |
data on contacts between | 4 |
associated with contact lens | 4 |
tracing approach creates a | 4 |
a protective effect of | 4 |
of infections in the | 4 |
reported number of contacts | 4 |
of ebola virus disease | 4 |
of the epidemic in | 4 |
period of the model | 4 |
contact tracing apps are | 4 |
to the reproduction number | 4 |
of contact tracing are | 4 |
duration of the contact | 4 |
european centre for disease | 4 |
in the proximity to | 4 |
the municipal emergency response | 4 |
safe contact lens wear | 4 |
symptom onset to isolation | 4 |
a large fraction of | 4 |
positives and false negatives | 4 |
as well as to | 4 |
in the present work | 4 |
outside the hospital together | 4 |
contacts that are traced | 4 |
brief contact with the | 4 |
the best of our | 4 |
lens wear and care | 4 |
in line with the | 4 |
the reduction of contacts | 4 |
discussed in section of | 4 |
close contacts of patients | 4 |
pandemic in southeast asia | 4 |
on the percentage of | 4 |
approach to automatically and | 4 |
produce as many secondary | 4 |
providing awareness to individuals | 4 |
the fact that it | 4 |
of longer than hour | 4 |
for contact tracing of | 4 |
in order to enable | 4 |
but with increased risk | 4 |
tracing among flight passengers | 4 |
they are in the | 4 |
the disease has been | 4 |
contacts for confirmed covid | 4 |
the probability of diagnosis | 4 |
we assume that all | 4 |
regard to jurisdictional claims | 4 |
is smaller than the | 4 |
no conflict of interest | 4 |
tracing and exposure notification | 4 |
response to the covid | 4 |
also tracks the incidental | 4 |
effects of contact tracing | 4 |
the close contact and | 4 |
receptor binding domain of | 4 |
a high logistical burden | 4 |
at least one secondary | 4 |
who may have come | 4 |
to share their data | 4 |
through the use of | 4 |
false positives and false | 4 |
not only providing awareness | 4 |
estimation of epidemiological parameters | 4 |
level of contact tracing | 4 |
role of contact tracing | 4 |
in a high school | 4 |
de kassteele et al | 4 |
probability of infection and | 4 |
duration of contacts with | 4 |
the peak of the | 4 |
tracing is the process | 4 |
the reduction of the | 4 |
on the assumption that | 4 |
close encounters in a | 4 |
install and register the | 4 |
with regard to jurisdictional | 4 |
who have not been | 4 |
although this comes at | 4 |
infections as undetected infections | 4 |
required for contact tracing | 4 |
share their location trail | 4 |
the effect of network | 4 |
the hospital together with | 4 |
of the smartphone magnetometer | 4 |
age structure of the | 4 |
one of the biggest | 4 |
data collected from the | 4 |
the vicinity and notifying | 4 |
one of the most | 4 |
would be expected to | 4 |
patterns with wearable sensors | 4 |
a dashboard to provide | 4 |
h n flu in | 4 |
the number of days | 4 |
information on social encounters | 4 |
current physical distancing measures | 4 |
a digital exposure notification | 4 |
the number of features | 4 |
marginal infections created by | 4 |
distribution of secondary cases | 4 |
the rates of illness | 4 |
to provide a plan | 4 |
context of the covid | 4 |
in the previous section | 4 |
rather than replace it | 4 |
to detect the proximity | 4 |
average number of people | 4 |
infections created by agent | 4 |
number of new infections | 4 |
over a day period | 4 |
stopping the spread of | 4 |
has been used to | 4 |
from one day to | 4 |
the smartphone magnetometer traces | 4 |
to the best of | 4 |
economic and food security | 4 |
the centers for disease | 4 |
health and human services | 4 |
of infections prevented per | 4 |
with the use of | 4 |
if the number of | 4 |
authors would like to | 4 |
the event of a | 4 |
secondary cases that may | 4 |
were in the same | 4 |
in the previous days | 4 |
on the basic reproduction | 4 |
dynamics of the covid | 4 |
the first reported case | 4 |
position information of the | 4 |
mixing patterns with wearable | 4 |
of the app in | 4 |
in the first year | 4 |
to the public database | 4 |
the scale of the | 4 |
sensing platform for the | 4 |
the hospital worker groups | 4 |
and contact tracing for | 4 |
with the municipal emergency | 4 |
to the development of | 4 |
transmission of the virus | 4 |
to achieve this goal | 4 |
about the possibility of | 4 |
of transmission before onset | 4 |
on passive wifi sensing | 4 |
in reducing the risk | 4 |
contact in the past | 4 |
ml and dl algorithms | 4 |
the purposes of contact | 4 |
transition to an epidemic | 4 |
end of the infectious | 4 |
of an index case | 4 |
the ability to identify | 4 |
hospital together with the | 4 |
the virus that causes | 4 |
exposure risk with location | 4 |
delay between symptom onset | 4 |
risk of untraced cases | 4 |
individuals who have been | 4 |
and the proportion of | 4 |
tackling the economic crisis | 4 |
the effect of contact | 4 |
contact distribution of the | 4 |
burden with an average | 4 |
delay from symptom onset | 4 |
conversational and physical contacts | 4 |
the effect of individual | 4 |
can be safely lifted | 4 |
on a global scale | 4 |
all over the world | 4 |
the probability of extinction | 4 |
provide a plan for | 4 |
probability of an individual | 4 |
were found to be | 4 |
protect the privacy of | 4 |
such as the ones | 4 |
exposure to an infected | 4 |
to the effective contact | 4 |
of middle east respiratory | 4 |
is notified and is | 4 |
the largest eigenvalue of | 4 |
a confidential computing backend | 4 |
the infection would be | 4 |
were asked to report | 4 |
increased risk of untraced | 4 |
the average and marginal | 4 |
role of social deprivation | 4 |
of a mobile phone | 4 |
the role of social | 4 |
containing the spread of | 4 |
those who have been | 4 |
up outside the hospital | 4 |
to take into account | 4 |
and notifying contacts or | 4 |
a significant contribution to | 4 |
that contact tracing is | 4 |
on how lockdown mass | 4 |
to the entire population | 4 |
might be reduced by | 4 |
notified and is responsible | 4 |
creates a list of | 4 |
the spreading of the | 4 |
in an effort to | 4 |
from the uk to | 4 |
results of prem et | 4 |
as part of their | 4 |
maintaining personal privacy in | 4 |
less than in cases | 4 |
the onset of the | 4 |
that it does not | 4 |
variability in the number | 4 |
approaching to each other | 4 |
close proximity to the | 4 |
with contact lens wear | 4 |
created by agent j | 4 |
to the virus and | 4 |
number of individuals that | 4 |
eigenvalue of the contact | 4 |
only providing awareness to | 4 |
an average of contacts | 4 |
that the total number | 4 |
virus that causes covid | 4 |
of prem et al | 4 |
to the definition of | 4 |
the demographic structure of | 4 |
between nurs and pats | 4 |
the likely efficacy of | 4 |
locked down or not | 4 |
is responsible for reporting | 4 |
of contact screening and | 4 |
the spread of this | 4 |
the impact of school | 4 |
to be traced and | 4 |
the bluetooth le protocol | 4 |
a low probability of | 4 |
of contacts per person | 4 |
of the current pandemic | 4 |
least one secondary case | 4 |
contact patterns of the | 4 |
as we slide the | 4 |
the study was approved | 4 |
challenge appraisal of the | 4 |
the product of the | 4 |
with increased risk of | 4 |
awareness to individuals they | 4 |
cases that may go | 4 |
tracks the incidental contacts | 4 |
a bernoulli distributed random | 4 |
a completely susceptible population | 4 |
variation on disease emergence | 4 |
conceptualization of this study | 4 |
changes to the definition | 4 |
this paper is to | 4 |
survey information on social | 4 |
to pass on the | 4 |
investigate the likely efficacy | 4 |
can be identified and | 4 |
to look at the | 4 |
have been visited by | 4 |
using passive wifi sensing | 4 |
effect of individual variation | 4 |
jurisdictional claims in published | 4 |
in the long term | 4 |
quarantine can be safely | 4 |
are most likely to | 4 |
which have been visited | 4 |
the disclosure of the | 4 |
predicted to have a | 4 |
to prevent them from | 4 |
to download and use | 4 |
the contact network of | 4 |
to slow down the | 4 |
returns a positive test | 4 |
distancing measures could be | 4 |
the rim of the | 4 |
to the infected area | 4 |
to the rest of | 4 |
a randomized controlled trial | 4 |
of individual variation on | 4 |
as the proportion of | 4 |
number of community contacts | 4 |
to facilitate contact tracing | 4 |
proportion of the population | 4 |
a mobile phone app | 4 |
springer nature remains neutral | 4 |
area should be locked | 4 |
carrier might not recall | 4 |
infection control doctor is | 4 |
the experimental and fem | 4 |
the chain of transmission | 4 |
a at time t | 4 |
widely trace the contacts | 4 |
approach to contact tracing | 4 |
was conducted in the | 4 |
in the process of | 4 |
the index case returns | 4 |
as compared to the | 4 |
individual in age group | 4 |
an individual in age | 4 |
the number of co | 4 |
the area should be | 4 |
likely to be infected | 4 |
the authors would like | 4 |
social distancing measures are | 4 |
to a number of | 4 |
with a very high | 4 |
of epidemiological parameters and | 4 |
it is estimated that | 4 |
both false positives and | 4 |
who is infected with | 4 |
is described by the | 4 |
in order to simulate | 4 |
contacts that the covid | 4 |
the contact tracing apps | 4 |
approach creates a list | 4 |
the effects of school | 4 |
that the effect of | 4 |
a high number of | 4 |
in a way that | 4 |
in our previous study | 4 |
bernoulli distributed random variable | 4 |
the time it takes | 4 |
contact tracing must be | 3 |
the rapid spread of | 3 |
number of individuals infected | 3 |
an important role to | 3 |
healthcare workers at the | 3 |
in all age groups | 3 |
than healthcare providers or | 3 |
were not included in | 3 |
different classes of individuals | 3 |
the population into different | 3 |
the number of participants | 3 |
in viral shedding and | 3 |
wireless platform is proposed | 3 |
compared to those who | 3 |
must be collected from | 3 |
consent to share their | 3 |
to download the application | 3 |
has emerged as a | 3 |
effectiveness of school closures | 3 |
immediately on symptom onset | 3 |
is much lower than | 3 |
is used for the | 3 |
compute the distribution of | 3 |
transparency of and support | 3 |
varying the transmission rate | 3 |
and health during the | 3 |
effect of contact tracing | 3 |
in the cases of | 3 |
by day of the | 3 |
of the branching process | 3 |
physical chemistry b pubs | 3 |
consistent with a power | 3 |
and the lack of | 3 |
tracing to contain the | 3 |
of any control measures | 3 |
start of the epidemic | 3 |
number of patient contacts | 3 |
index case and secondary | 3 |
tracing for containment of | 3 |
in view of the | 3 |
phase of the epidemic | 3 |
in other hospital areas | 3 |
the study was conducted | 3 |
improve the classification performance | 3 |
in a closed loop | 3 |
reasonable to assume that | 3 |
to be infected and | 3 |
to be the case | 3 |
contact tracing application website | 3 |
on containing the spread | 3 |
number and type of | 3 |
and the demand side | 3 |
infections may be increasing | 3 |
as far as the | 3 |
synthesis and modelling study | 3 |
contact tracing system should | 3 |
an infectious disease in | 3 |
absence of any control | 3 |
in order to allow | 3 |
the baseline rate of | 3 |
it is crucial to | 3 |
from the number of | 3 |
adoption and response rates | 3 |
expected number of secondary | 3 |
i k j p | 3 |
et al found that | 3 |
the new case detection | 3 |
those who have the | 3 |
person is removed due | 3 |
other in respective rows | 3 |
contacts in the ed | 3 |
of the mobile phone | 3 |
the one with the | 3 |
proposed here can have | 3 |
to be at risk | 3 |
dined with the index | 3 |
with testing and contact | 3 |
the assumption that the | 3 |
basis of the existing | 3 |
impacts on economic and | 3 |
the marginal effect of | 3 |
is an important step | 3 |
at far less computational | 3 |
also been used to | 3 |
we estimated there are | 3 |
in the city of | 3 |
be included in the | 3 |
our results suggest that | 3 |
the model with all | 3 |
very high levels of | 3 |
play a key role | 3 |
size distribution for the | 3 |
risk assessment guidelines for | 3 |
social contact hours are | 3 |
smallpox in contemporary populations | 3 |
contacts in our data | 3 |
on a large scale | 3 |
keep track of the | 3 |
cumulative number of infections | 3 |
has the effect of | 3 |
by a clinician or | 3 |
of contact tracing by | 3 |
folding initiation events of | 3 |
of a potential exposure | 3 |
an evidence synthesis and | 3 |
number of infectious individuals | 3 |
of the model is | 3 |
participants in age group | 3 |
the development of the | 3 |
the effectiveness of these | 3 |
diseases transmitted on aircraft | 3 |
lens compliance during the | 3 |
of contact tracing app | 3 |
should be viewed as | 3 |
of public health workers | 3 |
close to each other | 3 |
contacts needed to be | 3 |
in preventing the spread | 3 |
from country to country | 3 |
control measures are not | 3 |
to participate in contact | 3 |
this is a key | 3 |
had dined with the | 3 |
a smartphone enabled approach | 3 |
for containing an emerging | 3 |
reduction in contacts for | 3 |
in the european union | 3 |
the privacy and security | 3 |
the prevention of leprosy | 3 |
values of the initial | 3 |
of the scale would | 3 |
infectious diseases in hospitals | 3 |
individual in the population | 3 |
digital exposure notification app | 3 |
for the detection of | 3 |
of the influenza pandemic | 3 |
monitoring of contacts is | 3 |
based on qr codes | 3 |
for a given disease | 3 |
pandemic a h n | 3 |
a highresolution human contact | 3 |
coverage in the casual | 3 |
the average incubation time | 3 |
sensitivity and specificity of | 3 |
this is based on | 3 |
of asymptomatic close contacts | 3 |
important to note that | 3 |
who were in proximity | 3 |
and staff in a | 3 |
by the institute human | 3 |
model to quantify the | 3 |
if the transmission rate | 3 |
the effectiveness of sdr | 3 |
from our social encounter | 3 |
acute respiratory syndrome and | 3 |
data should be shared | 3 |
with soap and water | 3 |
be used for contact | 3 |
of contacts may be | 3 |
to report the number | 3 |
to conduct contact tracing | 3 |
evidence synthesis and modelling | 3 |
server of the gesundheitsamt | 3 |
in preventing leprosy in | 3 |
development of platforms are | 3 |
beneficial effect on containing | 3 |
potential of using bluetooth | 3 |
in the bbc dataset | 3 |
false sense of security | 3 |
the isolation and quarantine | 3 |
based contact tracing solutions | 3 |
leprosy in contacts of | 3 |
online supplemental materials appendix | 3 |
provide transparency of and | 3 |
full prototype of our | 3 |
the attack rate is | 3 |
they have no conflict | 3 |
the incubation period for | 3 |
of the proportion of | 3 |
alternative to mass surveillance | 3 |
the curvature profiles of | 3 |
the form of a | 3 |
of using bluetooth received | 3 |
reduction in the effective | 3 |
residents of portuguese nationality | 3 |
the application and the | 3 |
as discussed in section | 3 |
manual contact tracing and | 3 |
in reducing the effective | 3 |
of ct apps in | 3 |
of the limitations of | 3 |
about the population is | 3 |
of the virus that | 3 |
the members of the | 3 |
the app installed and | 3 |
user has been exposed | 3 |
this is likely to | 3 |
come into close physical | 3 |
in the number and | 3 |
to be at least | 3 |
a convenient way to | 3 |
from china and elsewhere | 3 |
or not they are | 3 |
to the care of | 3 |
of contact tracing among | 3 |
development and use of | 3 |
contact tracing is to | 3 |
on the level of | 3 |
reduction in transmission among | 3 |
transparency of contact tracing | 3 |
to the contact tracing | 3 |
realistic urban social networks | 3 |
first few days of | 3 |
in realistic urban social | 3 |
role to play in | 3 |
source exposure sizes and | 3 |
not sustainable in the | 3 |
relies on passive wifi | 3 |
support wearers during the | 3 |
close for too long | 3 |
the approach uses the | 3 |
early stages of the | 3 |
the delay from symptom | 3 |
in a primary school | 3 |
contact wireless sensing platforms | 3 |
the effectiveness of confinement | 3 |
is defined as a | 3 |
to be included in | 3 |
combined effect of digital | 3 |
number of individuals in | 3 |
of a novel coronavirus | 3 |
to be effective in | 3 |
the fact that a | 3 |
keeping track of the | 3 |
of the colep study | 3 |
will be used by | 3 |
with the results of | 3 |
structure of the contact | 3 |
significant contribution to the | 3 |
measurement of contact patterns | 3 |
in order to create | 3 |
closing schools for days | 3 |
probability density function of | 3 |
contact with a diagnosed | 3 |
sir epidemic model with | 3 |
is protected by copyright | 3 |
and use of sensitive | 3 |
a number of concerns | 3 |
sizes and durations using | 3 |
patient is diagnosed with | 3 |
each individual in the | 3 |
under the age of | 3 |
infected and exposed individuals | 3 |
and google partner on | 3 |
we note that the | 3 |
if feeling unwell with | 3 |
the uncertainty that stems | 3 |
have been able to | 3 |
when the contact tracing | 3 |
seated on the same | 3 |
contact tracing apps have | 3 |
the number of total | 3 |
the spread of airborne | 3 |
here can have a | 3 |
of pandemic a h | 3 |
the fraction of people | 3 |
details were obtained within | 3 |
al concluded that bcg | 3 |
of contacts between people | 3 |
size of an attack | 3 |
exposure sizes and durations | 3 |
clinical hcws in sydney | 3 |
is modeled as a | 3 |
solutions like the one | 3 |
human activity recognition using | 3 |
the difference in the | 3 |
hardware platform consists of | 3 |
azure d s v | 3 |
and control of the | 3 |
the communication range of | 3 |
to contain the covid | 3 |
contact details were obtained | 3 |
being exposed to the | 3 |
contacts can be identified | 3 |
of the prion protein | 3 |
the wcsi frequency response | 3 |
denote the number of | 3 |
the transmission of the | 3 |
as one of the | 3 |
the effectiveness of quarantine | 3 |
which is then used | 3 |
is depicted in figure | 3 |
institute human ethics committee | 3 |
using mobile phone apps | 3 |
a lower than average | 3 |
model parameters and their | 3 |
of the m data | 3 |
the work of human | 3 |
contact lens compliance during | 3 |
the virus when they | 3 |
medical institution had a | 3 |
for influenza a h | 3 |
agent j is infected | 3 |
of daily contacts was | 3 |
tracing via communication traces | 3 |
as will be seen | 3 |
that they can be | 3 |
korea and health code | 3 |
tracing system based on | 3 |
end of the scale | 3 |
smallpox and its eradication | 3 |
coughing and shortness of | 3 |
digital contact tracing technologies | 3 |
to contain the disease | 3 |
shading in each cell | 3 |
with a stability of | 3 |
while in the second | 3 |
the next generation matrix | 3 |
an important step to | 3 |
of the range of | 3 |
this means that the | 3 |
close contact and casual | 3 |
of iowa hospitals and | 3 |
a high fraction of | 3 |
as the total number | 3 |
in the fields of | 3 |
to generate at least | 3 |
a distributed query system | 3 |
work of human contact | 3 |
of the population that | 3 |
and protection of hcws | 3 |
or had contact with | 3 |
sleep disorder and diet | 3 |
the relative importance of | 3 |
spike protein of sars | 3 |
with a mean of | 3 |
the time required for | 3 |
the ambient signature information | 3 |
give appropriate credit to | 3 |
assessing optimal target populations | 3 |
enhance the efficacy of | 3 |
is illustrated in fig | 3 |
infection than healthcare providers | 3 |
a mathematical model to | 3 |
who had dined with | 3 |
severe and critical cases | 3 |
are consistent with the | 3 |
time required for contact | 3 |
a state of emergency | 3 |
k j p l | 3 |
after adjusting for age | 3 |
in digital contact tracing | 3 |
the potential of using | 3 |
and the marginal infections | 3 |
we do not expect | 3 |
person transmission of covid | 3 |
can have a very | 3 |
user and for how | 3 |
focus on the role | 3 |
is greater than one | 3 |
was based on the | 3 |
have been used for | 3 |
of leprosy patients in | 3 |
the burden on the | 3 |
adoption of contact tracing | 3 |
starting from a single | 3 |
infectious contact in the | 3 |
consider the impact of | 3 |
the first weeks of | 3 |
the mixing patterns between | 3 |
the institute human ethics | 3 |
may be relevant for | 3 |
there is a high | 3 |
this information can be | 3 |
school or other in | 3 |
the relationship between the | 3 |
studies have shown that | 3 |
viral shedding and transmissibility | 3 |
patterns in a primary | 3 |
by different encounter context | 3 |
using bluetooth low energy | 3 |
number of hospital beds | 3 |
it is assumed that | 3 |
and food security may | 3 |
it can be used | 3 |
research studies have been | 3 |
the similarity of two | 3 |
the number of confirmed | 3 |
this is in fact | 3 |
the care of the | 3 |
not likely to be | 3 |
reported eating less or | 3 |
for its use in | 3 |
strategies for containing an | 3 |
increase in contact rates | 3 |
is shown as a | 3 |
among those who had | 3 |
google partner on covid | 3 |
if the value of | 3 |
system has the potential | 3 |
it on two large | 3 |
in terms of their | 3 |
day of illness of | 3 |
to predict the lockdown | 3 |
of the health system | 3 |
have no conflict of | 3 |
can also be used | 3 |
is important to note | 3 |
and may lead to | 3 |
is proposed on the | 3 |
infection state is clarified | 3 |
of the virus is | 3 |
data on social contacts | 3 |
between groups a and | 3 |
data can be used | 3 |
to protect themselves and | 3 |
and transporting a patient | 3 |
coronavirus disease in china | 3 |
to an increase in | 3 |
in two different areas | 3 |
standard contact tracing methods | 3 |
of ideal knot shapes | 3 |
of infection and the | 3 |
are not affected by | 3 |
health management of persons | 3 |
effective contact rate of | 3 |
in the ed of | 3 |
of patients infected with | 3 |
were asked to record | 3 |
the scope of the | 3 |
m of each other | 3 |
little is known about | 3 |
random variable with mean | 3 |
the indian institute of | 3 |
is a promising solution | 3 |
china and elsewhere into | 3 |
controlling infectious disease outbreaks | 3 |
a very beneficial effect | 3 |
it is reasonable to | 3 |
wcsi frequency response of | 3 |
contacts to estimate age | 3 |
ebola virus disease in | 3 |
the reliability of the | 3 |
of the raw data | 3 |
the total population size | 3 |
defined as any two | 3 |
contact wireless platform is | 3 |
could be used to | 3 |
reporting items for systematic | 3 |
on social contacts to | 3 |
based on data from | 3 |
and transmissibility of covid | 3 |
case they are infected | 3 |
our data show that | 3 |
age of the individuals | 3 |
and accuracy achieved by | 3 |
this article is protected | 3 |
public health interventions to | 3 |
at least two reasons | 3 |
of close contacts of | 3 |
of a ct app | 3 |
of isolation and quarantine | 3 |
in the development and | 3 |
it is not clear | 3 |
the evolution of the | 3 |
of the overall population | 3 |
of a university hospital | 3 |
segments involved in the | 3 |
should also be noted | 3 |
the amount of time | 3 |
who need to be | 3 |
group a at time | 3 |
in number of contacts | 3 |
the severity of the | 3 |
process of contact tracing | 3 |
the spread of a | 3 |
commercial and specialized hardware | 3 |
infected with novel coronavirus | 3 |
ebola virus disease outbreak | 3 |
to be able to | 3 |
to the lack of | 3 |
and processing of personal | 3 |
approach for contact tracing | 3 |
contact tracing using mobile | 3 |
are in the same | 3 |
concluded that bcg vaccination | 3 |
to provide transparency of | 3 |
been made in the | 3 |
development strategy based on | 3 |
delays on effectiveness of | 3 |
the role of contact | 3 |
peak number of infected | 3 |
transmission occurred before symptom | 3 |
contacts with household members | 3 |
the physical closed trefoil | 3 |
desktop pc or laptop | 3 |
for household contacts of | 3 |
as the extent to | 3 |
to the total number | 3 |
number of cases that | 3 |
the effectiveness of digital | 3 |
article is protected by | 3 |
used for the evaluation | 3 |
manual contact tracing supported | 3 |
that each infected agent | 3 |
social mixing data to | 3 |
while at the same | 3 |
influenza in the united | 3 |
higher number of contacts | 3 |
the trajectory of the | 3 |
to address this problem | 3 |
enabled approach to manage | 3 |
and the physical distancing | 3 |
as a public health | 3 |
in the proximity of | 3 |
the contact distribution of | 3 |
is the ability to | 3 |
it is evident that | 3 |
stop the spread of | 3 |
contact rates can have | 3 |
to contribute to the | 3 |
part of the bluetooth | 3 |
tracing and isolation in | 3 |
be traced and isolated | 3 |
all age groups and | 3 |
basic reproduction number of | 3 |
that can be traced | 3 |
is implemented on the | 3 |
during the isolation or | 3 |
to download the app | 3 |
the percentage of ill | 3 |
asymptomatic close contacts of | 3 |
of marginal infections generated | 3 |
weak point of this | 3 |
regarding the use of | 3 |
the heterogeneity of the | 3 |
about contact tracing apps | 3 |
from the beginning of | 3 |
the sensitivity and specificity | 3 |
face contact patterns in | 3 |
a result of the | 3 |
a full prototype of | 3 |
vaccine or treatment for | 3 |
the user has been | 3 |
symptoms and monitoring of | 3 |
with tens of thousands | 3 |
although it is not | 3 |
this hardware platform consists | 3 |
short delay to isolation | 3 |
the impact of a | 3 |
the transmission of respiratory | 3 |
concerns about contact tracing | 3 |
contacts to be traced | 3 |
iowa hospitals and clinics | 3 |
distribution of population by | 3 |
the infection rate of | 3 |
information can be used | 3 |
requiring more than hours | 3 |
data were collected from | 3 |
contact matrices for kenya | 3 |
is not sufficient to | 3 |
the number of susceptible | 3 |
for the closed trefoil | 3 |
to be vaccinated if | 3 |
taking into account the | 3 |
between any two individuals | 3 |
users who were in | 3 |
for early detection of | 3 |
the results reported below | 3 |
a reduction in contacts | 3 |
results of this study | 3 |
and type of contacts | 3 |
the one proposed here | 3 |
using data on social | 3 |
on infections and deaths | 3 |
infectious diseases transmitted on | 3 |
outbreak of h n | 3 |
the importance of the | 3 |
to participate in the | 3 |
and identification of contacts | 3 |
are depicted in figure | 3 |
of ill persons and | 3 |
of any contact tracing | 3 |
more likely to have | 3 |
contacts that are not | 3 |
of the proposed approach | 3 |
the number and type | 3 |
stages of an outbreak | 3 |
epidemic model with time | 3 |
contact tracing for containment | 3 |
the remainder of the | 3 |
and public health management | 3 |
for influenza vaccination programmes | 3 |
for contact tracing purposes | 3 |
pharmaceutical interventions on covid | 3 |
one of the main | 3 |
would be sufficient to | 3 |
a single dose of | 3 |
its guidelines for the | 3 |
people who are at | 3 |
of novel coronavirus in | 3 |
of such an approach | 3 |
of individuals in each | 3 |
and phase information of | 3 |
the data from the | 3 |
exposure prophylaxis for leprosy | 3 |
choose to be vaccinated | 3 |
the degree to which | 3 |
that the virus can | 3 |
first weeks of the | 3 |
to check if they | 3 |
that at least one | 3 |
contact tracing will be | 3 |
in close contacts of | 3 |
and a desktop pc | 3 |
within m of each | 3 |
most of the groups | 3 |
and usage of the | 3 |
and control of influenza | 3 |
when picking up and | 3 |
of leprosy in the | 3 |
present in the ed | 3 |
a sufficient number of | 3 |
little difference between the | 3 |
assumed to be traced | 3 |
from an infected individual | 3 |
the potential effectiveness of | 3 |
implications for its use | 3 |
the public health workforce | 3 |
in the same way | 3 |
to an index case | 3 |
by varying the transmission | 3 |
and for notification of | 3 |
trajectory of the abm | 3 |
and by different encounter | 3 |
those who had dined | 3 |
prior to symptom onset | 3 |
this study proposes a | 3 |
of influenza a in | 3 |
close proximity to each | 3 |
the h n flu | 3 |
and durations using scenario | 3 |
of our system and | 3 |
to be used in | 3 |
infected but not infectious | 3 |
epidemic models of contact | 3 |
shows the contacts that | 3 |
app as part of | 3 |
shedding and transmissibility of | 3 |
include the use of | 3 |
devices such as smartphones | 3 |
early in a pandemic | 3 |
of contacts of the | 3 |
in group a at | 3 |
the time between symptom | 3 |
transmission dynamics and control | 3 |
the number of marginal | 3 |
a delay of days | 3 |
the percentage of infected | 3 |
the spread of infections | 3 |
the monitoring of human | 3 |
rate is fixed at | 3 |
clustering algorithm is used | 3 |
see materials and methods | 3 |
the result of the | 3 |
outbreaks in realistic urban | 3 |
low energy is used | 3 |
containing an emerging influenza | 3 |
on two large university | 3 |
of the paper we | 3 |
not have access to | 3 |
been in close contact | 3 |
contribution to the mathematical | 3 |
of health care workers | 3 |
false sense of safety | 3 |
the isolation or quarantine | 3 |
the proposed use of | 3 |
factors that make an | 3 |
the probability of control | 3 |
the number of hcws | 3 |
we present results for | 3 |
that make an infectious | 3 |
the spread of respiratory | 3 |
active surveillance of close | 3 |
one at a time | 3 |
indian institute of science | 3 |
contact tracing at the | 3 |
adjusted by proportionate mixing | 3 |
of many infectious diseases | 3 |
picking up and transporting | 3 |
a newly collected data | 3 |
percent of respondents reported | 3 |
the smartphone will be | 3 |
physical distancing survey participants | 3 |
evaluating the potential of | 3 |
contact tracing is imperfect | 3 |
between the elastic and | 3 |
physical distancing measures have | 3 |
are not sustainable in | 3 |
trained public health professionals | 3 |
in the midst of | 3 |
the number of other | 3 |
that they were in | 3 |
the reproduction number from | 3 |
the probability of having | 3 |
regime when picking up | 3 |
and approved the final | 3 |
a medical institution had | 3 |
the consequences of the | 3 |
duration of contacts of | 3 |
capacity in the event | 3 |
for pandemic influenza in | 3 |
has been identified as | 3 |
general data protection regulation | 3 |
for the public health | 3 |
the person has covid | 3 |
we have used a | 3 |
is unlikely to control | 3 |
a small conference room | 3 |
effective configurations of a | 3 |
need to be addressed | 3 |
human activity and health | 3 |
infectious disease outbreak controllable | 3 |
the lancet infectious diseases | 3 |
the reduction in contacts | 3 |
of the percentage of | 3 |
may have led to | 3 |
number of daily work | 3 |
for which we have | 3 |
with the length of | 3 |
individual contact and group | 3 |
cell indicate the percentage | 3 |
casual contact ring is | 3 |
keratitis and corneal inflammatory | 3 |
the transmission rate is | 3 |
number of persons who | 3 |
have also been used | 3 |
indicate if changes were | 3 |
infection rates and their | 3 |
function of population density | 3 |
of platforms are data | 3 |
to ease lockdown measures | 3 |
limit the spread of | 3 |
to study the effect | 3 |
on the probability of | 3 |
of new leprosy patients | 3 |
contact and casual contact | 3 |
tracing of infected individuals | 3 |
value of r is | 3 |
average daily distance traveled | 3 |
be sufficient to control | 3 |
that must be satisfied | 3 |
the duration of infectiousness | 3 |
and corneal inflammatory events | 3 |
during infectious disease outbreaks | 3 |
the sum of all | 3 |
which will be used | 3 |
contacts are assumed to | 3 |
table summarizes the non | 3 |
proposed on the basis | 3 |
index case and the | 3 |
to measure the effectiveness | 3 |
contributions to the mathematical | 3 |
progress has been made | 3 |
for the index case | 3 |
an indication of how | 3 |
to digital contact tracing | 3 |
accounted for by the | 3 |
measures are not sustainable | 3 |
is equal to the | 3 |
data collected by the | 3 |
of infection than healthcare | 3 |
of contact patterns between | 3 |
the probability density function | 3 |
of internet users have | 3 |
persons of years and | 3 |
agent will choose to | 3 |
the bbc four pandemic | 3 |
risk of infection than | 3 |
of the ideal closed | 3 |
with a diagnosed carrier | 3 |
university of iowa hospitals | 3 |
the epidemic in kenya | 3 |
epidemic contact tracing via | 3 |
of public health practice | 3 |
infection rate in the | 3 |
depicts the number of | 3 |
within h after exposure | 3 |
effect on containing the | 3 |
contact tracing have been | 3 |
too close for too | 3 |