trigram

This is a table of type trigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.

trigram	frequency
influenza a virus	1640
of influenza a	1292
h n influenza	1147
a h n	909
of influenza virus	850
h n virus	833
of h n	715
influenza a viruses	712
as well as	688
influenza a h	611
the h n	603
the united states	579
influenza virus infection	564
of the influenza	562
the use of	542
avian influenza a	537
a and b	513
h n viruses	494
in the united	494
pandemic influenza a	470
the number of	467
respiratory syncytial virus	450
h n and	449
influenza a and	448
of pandemic influenza	429
of the pandemic	412
pandemic h n	405
of the virus	405
the presence of	399
the influenza virus	398
of avian influenza	386
and h n	385
the influenza a	363
avian influenza viruses	346
the development of	342
in this study	337
in hong kong	336
with influenza a	329
of influenza viruses	321
of influenza in	319
the risk of	318
the role of	312
years of age	305
n influenza virus	303
influenza h n	302
world health organization	301
due to the	300
in patients with	299
one of the	297
h n pdm	294
of seasonal influenza	290
severe acute respiratory	283
virus infection in	281
prevention and control	273
based on the	271
lower respiratory tract	260
in order to	257
the emergence of	257
avian influenza virus	255
pathogenic avian influenza	251
the impact of	251
highly pathogenic avian	246
morbidity and mortality	245
n and h	244
according to the	242
influenza c virus	240
for influenza a	240
h n pandemic	235
the treatment of	225
a number of	218
patients with influenza	216
in addition to	215
influenza in the	215
an influenza pandemic	214
acute respiratory syndrome	211
the spread of	208
with h n	207
of influenza and	207
the effect of	205
human influenza a	202
h n infection	202
cd t cells	200
been shown to	200
the majority of	200
of the h	199
n influenza a	198
ha and na	197
a total of	195
influenza virus in	195
is associated with	192
the influenza pandemic	191
influenza viruses in	191
n influenza viruses	189
a systematic review	187
associated with influenza	186
h n avian	184
the absence of	184
of influenza vaccine	184
treatment of influenza	183
influenza b virus	183
in terms of	180
associated with the	180
such as the	179
for disease control	178
upper respiratory tract	177
the onset of	175
control and prevention	172
of influenza vaccination	171
part of the	170
h and h	169
the importance of	169
it has been	168
of influenza infection	168
n avian influenza	168
found to be	167
in the elderly	167
disease control and	165
the most common	164
the proportion of	163
as a result	161
of an influenza	161
has been shown	161
there is a	160
and b viruses	160
detection of influenza	159
influenza vaccine in	159
of influenza b	159
of the viral	159
likely to be	158
more likely to	158
analysis of the	157
was associated with	156
for pandemic influenza	156
other respiratory viruses	156
a virus infection	155
during the pandemic	155
of a pandemic	155
for the treatment	154
compared to the	152
the respiratory tract	152
transmission of influenza	150
included in the	149
associated with a	148
of human influenza	147
the need for	146
to influenza a	146
and pandemic influenza	144
the efficacy of	144
polymerase chain reaction	143
most of the	143
for influenza virus	142
influenza vaccine effectiveness	141
centers for disease	141
in our study	140
of the population	140
and immunogenicity of	140
virus in the	139
the severity of	138
on the other	137
this study was	137
seasonal influenza vaccine	137
the lack of	137
the fact that	136
of a novel	135
influenza virus infections	135
of patients with	134
influenza virus a	133
avian h n	133
the human population	133
respiratory distress syndrome	133
with avian influenza	132
the pandemic influenza	131
the case of	131
the world health	131
of influenza c	131
seasonal influenza a	130
in the community	130
was used to	129
diagnosis of influenza	128
the basis of	128
human h n	128
the level of	128
the end of	127
the effects of	126
the other hand	126
in the human	126
of the ha	126
because of the	125
of the study	125
acute respiratory distress	125
was isolated from	125
influenza and other	125
in the influenza	125
well as the	124
in influenza a	124
respiratory tract infections	124
influenza vaccination in	124
h n strains	124
the ability to	123
the results of	123
a variety of	122
influenza virus hemagglutinin	122
cases of influenza	122
at the time	122
to assess the	121
changes in the	120
need to be	120
health care workers	120
an h n	120
the influenza season	120
some of the	120
the production of	119
of the disease	119
in the absence	119
the time of	119
safety and immunogenicity	119
increased risk of	119
to determine the	119
risk factors for	118
the detection of	118
the effectiveness of	118
the context of	117
with influenza virus	117
against influenza a	117
to influenza virus	117
immune response to	116
positive for influenza	116
the course of	116
has not been	115
have been reported	115
seasonal and pandemic	115
data not shown	114
shown to be	114
of this study	114
to be a	114
the immune response	114
infected with influenza	114
influenza virus replication	113
influenza virus and	113
the incidence of	113
role in the	113
a result of	113
of highly pathogenic	113
avian influenza h	112
cd t cell	112
in response to	112
and other respiratory	112
have shown that	112
influenza infection in	112
novel influenza a	111
and control of	111
during the influenza	111
against h n	111
in the case	111
pandemic influenza virus	110
increase in the	110
of the vaccine	110
the ability of	110
h n vaccine	110
patients with severe	110
on the basis	109
human influenza viruses	109
systematic review and	109
in the lungs	109
understanding of the	109
seasonal h n	108
burden of influenza	108
viruses in the	108
in healthy adults	107
are associated with	107
h n in	107
in the context	107
in the us	106
and in the	106
related to the	106
of the patients	105
the burden of	105
there is no	105
to the pandemic	104
in the first	104
critically ill patients	104
t cell responses	104
in the uk	103
human infection with	103
at the same	103
at least one	103
review of the	102
the rate of	102
found in the	102
against influenza virus	102
for h n	101
the pandemic h	101
the immune system	101
response to the	100
and influenza a	100
live attenuated influenza	99
highly pathogenic h	99
n influenza in	98
by influenza a	98
should be considered	98
pathogenic h n	98
each of the	98
in young children	98
factors associated with	98
the possibility of	97
characterization of the	97
h n v	97
in relation to	97
be used to	97
in influenza virus	97
of influenza vaccines	97
the pathogenesis of	97
has also been	97
as shown in	96
an increase in	96
of severe influenza	96
to be the	96
the same time	96
origin influenza a	96
in which the	96
acute respiratory illness	95
the pandemic virus	95
viruses isolated from	95
influenza virus vaccine	94
universal influenza vaccine	94
inactivated influenza vaccine	94
h n strain	94
was found to	94
can be used	94
seasonal influenza vaccination	94
there was a	93
the hong kong	93
onset of symptoms	93
the occurrence of	93
immunity to influenza	93
of a new	93
influenza a b	93
in the past	92
control of influenza	92
for use in	92
during the first	92
response to influenza	92
in h n	92
may not be	91
of respiratory viruses	91
and safety of	91
we found that	91
was detected in	91
the host cell	91
department of health	91
risk of influenza	91
virus infections in	91
intensive care unit	90
for treatment of	90
a virus in	90
of acute respiratory	90
in the usa	90
members of the	90
review and meta	90
the control of	90
in contrast to	89
strains of influenza	89
the general population	89
and respiratory syncytial	89
of the human	89
of infectious diseases	89
the evolution of	89
influenza b viruses	89
during an influenza	88
in the treatment	88
in the same	88
to evaluate the	88
be associated with	88
in vitro and	88
structure of the	88
a universal influenza	88
all of the	88
of the first	88
of pandemic h	88
been associated with	88
for seasonal influenza	88
children and adults	87
observed in the	87
infection with influenza	87
with regard to	87
subtype h n	87
the present study	87
it is important	87
there was no	87
an important role	87
responsible for the	87
influenza viruses and	86
has been reported	86
have not been	86
showed that the	86
the upper respiratory	86
in the early	86
it is not	86
of the most	86
similar to the	86
have also been	86
development of a	86
the induction of	85
the public health	85
the expression of	85
compared with the	85
the lower respiratory	85
the influenza vaccine	85
infection in the	85
in the presence	85
to that of	84
respiratory viral infections	84
the ha and	84
were isolated from	84
impact of the	84
to pandemic influenza	84
of the host	83
seasonal influenza in	83
influenza viruses are	83
of the world	83
a role in	83
emergence of a	83
were found to	83
recommendations of the	83
for detection of	82
depending on the	82
in the netherlands	82
is likely to	82
hospitalized patients with	82
protection against influenza	82
with respect to	82
in the study	82
that of the	82
with seasonal influenza	82
in the ha	81
was shown to	81
committee on immunization	81
advisory committee on	81
in the lung	81
shown in table	81
isolated from the	81
with pandemic influenza	81
human and avian	80
a range of	80
contribute to the	80
in children with	80
influenza pandemic in	80
on immunization practices	80
the generation of	80
in recent years	80
and avian influenza	80
studies have shown	79
at high risk	79
involved in the	79
to h n	79
of public health	79
was observed in	79
the study period	79
impact of influenza	79
the general public	79
respiratory tract infection	79
a viruses in	79
and in vivo	78
h n subtype	78
important role in	78
influenza virus vaccines	77
influenza vaccination and	77
efficacy and safety	77
pandemic influenza in	77
are likely to	77
considered to be	76
infection in humans	76
the next pandemic	76
respiratory viruses in	76
influenza virus was	76
were used to	76
the likelihood of	76
the duration of	76
obtained from the	76
and severity of	76
is the most	75
pneumonia and influenza	75
chronic obstructive pulmonary	75
is one of	75
the prevalence of	75
total number of	75
obstructive pulmonary disease	75
the m protein	75
vitro and in	75
ministry of health	75
that can be	75
immune responses to	75
of the hemagglutinin	75
a review of	75
in the pandemic	75
hpai h n	75
n virus in	75
the need to	74
spread of the	74
to the influenza	74
human influenza virus	74
the study of	74
seasonal influenza viruses	74
acute respiratory infections	74
mortality in the	74
end of the	74
were obtained from	74
is important to	74
evaluation of the	74
the first wave	74
and public health	74
caused by influenza	74
the association between	73
were collected from	73
influenza virus is	73
use of the	73
of health and	73
the epidemiology of	73
approved by the	73
the most important	73
number of influenza	73
in combination with	73
during the study	73
the circulation of	72
with severe influenza	72
and influenza b	72
similar to that	72
as part of	72
it is possible	72
virus infection and	72
wide range of	72
for the detection	71
and seasonal influenza	71
used in the	71
the probability of	71
were infected with	71
detected in the	71
appears to be	71
associated with severe	71
spread of influenza	71
influenza infection and	71
for influenza and	71
the beginning of	71
the seasonal influenza	71
the virus was	70
the virus is	70
influenza a infection	70
amantadine and rimantadine	70
role of the	70
the advisory committee	70
nature of the	70
high levels of	70
influenza vaccination coverage	70
due to influenza	70
of the respiratory	69
a wide range	69
virus replication in	69
in children and	69
to reduce the	68
a reduction in	68
comparison of the	68
influenza and rsv	68
effectiveness of influenza	68
and b virus	68
were able to	68
was found in	68
of these viruses	68
a combination of	68
influenza type a	68
all age groups	67
is based on	67
of severe acute	67
respiratory syndrome coronavirus	67
and mortality in	67
were associated with	67
differences in the	67
the total number	67
in accordance with	67
the timing of	67
hong kong in	67
may have been	67
subtypes of influenza	67
of the epidemic	67
characteristics of the	67
have been shown	67
the percentage of	67
a study of	67
are shown in	67
be due to	66
acute respiratory infection	66
influenza virus strains	66
is an important	66
the identification of	66
there were no	66
of the immune	66
in animal models	66
which was not	66
oseltamivir and zanamivir	65
acute lung injury	65
in the future	65
the spanish flu	65
the potential for	65
to the virus	65
specific cd t	65
to investigate the	65
isolated from a	65
by influenza virus	65
been reported in	65
the potential to	65
needs to be	65
present in the	65
the authors declare	65
be explained by	64
the performance of	64
antigenic and genetic	64
influenza in children	64
of the m	64
suggest that the	64
inactivated influenza vaccines	64
and characterization of	64
in the upper	64
we did not	64
the cost of	64
mortality associated with	63
was carried out	63
avian and human	63
data from the	63
associated with an	63
influenza vaccines in	63
caused by the	63
the cause of	63
infection with a	63
the surface of	63
of the manuscript	63
cells in the	63
an influenza virus	63
the age of	63
human cases of	63
in the general	63
were detected in	63
to be more	63
respiratory virus infections	63
of the following	63
consistent with the	63
innate immune response	63
avian influenza in	62
in critically ill	62
antibody responses to	62
the management of	62
for the study	62
high risk of	62
n virus infection	62
seasonal influenza virus	62
of the advisory	62
hemagglutinin and neuraminidase	62
were more likely	62
the ministry of	61
can also be	61
antibody response to	61
were included in	61
to estimate the	61
virus h n	61
have been used	61
influenza other respir	61
west nile virus	61
mice infected with	61
activation of the	61
than that of	61
the amount of	61
influenza is a	61
an influenza a	61
influenza a subtypes	61
responses to the	61
in hospitalized patients	61
the centers for	61
any of the	61
in mdck cells	61
a history of	61
of respiratory syncytial	60
parts of the	60
viruses of the	60
addition to the	60
transmission of avian	60
pandemic influenza viruses	60
there are no	60
cases of pandemic	60
number of cases	60
could not be	60
shown in figure	60
a hong kong	60
national institute of	60
the introduction of	60
the copyright holder	60
after the onset	60
may lead to	60
the relationship between	60
for avian influenza	60
in cell culture	60
n viruses in	60
in the present	60
a highly pathogenic	60
in clinical trials	60
was supported by	60
in the development	60
systematic review of	60
of the new	60
that the virus	59
patients infected with	59
during a pandemic	59
found that the	59
was defined as	59
swine influenza virus	59
patients in the	59
during the h	59
the diagnosis of	59
days after the	59
the addition of	59
based on a	59
secondary bacterial pneumonia	59
assessment of the	59
the transmission of	59
transmission of the	59
to have a	59
human infections with	58
the result of	58
in the viral	58
incidence of influenza	58
likely to have	58
evolution of the	58
the next influenza	58
in adults and	58
large number of	58
none of the	58
when compared to	58
similar to those	58
is consistent with	58
to display the	58
severity of the	58
in older adults	58
n infection in	58
used for the	58
the most effective	58
in the respiratory	58
the prevention of	57
immune responses in	57
information on the	57
the frequency of	57
an outbreak of	57
influenza vaccination of	57
in humans and	57
attenuated influenza vaccine	57
of the general	57
for the influenza	57
display the preprint	56
there have been	56
the influence of	56
license to display	56
the preprint in	56
an increased risk	56
in a study	56
results of the	56
with acute respiratory	56
supported by the	56
more than of	56
sensitivity and specificity	56
the virus and	56
has granted medrxiv	56
a novel influenza	56
children with influenza	56
of the viruses	56
the national institute	56
influenza vaccine and	56
ill patients with	56
medrxiv a license	56
reduction in the	56
in the northern	56
granted medrxiv a	56
a license to	56
in the vaccine	56
a recent study	56
seasonal influenza and	56
the pandemic and	56
strain of influenza	56
may be a	56
have been described	56
who has granted	56
signs and symptoms	56
and treatment of	55
of the two	55
vaccination in the	55
holder for this	55
influenza surveillance in	55
vaccine effectiveness in	55
mutation in the	55
in the lower	55
patients hospitalized with	55
as compared to	55
of hong kong	55
t cell response	55
admitted to hospital	55
risk of severe	55
copyright holder for	55
the th century	55
the aim of	55
can lead to	55
with influenza and	55
is essential for	55
the virus to	55
to increase the	55
pathogenesis of influenza	54
n pdm virus	54
prevention of influenza	54
be used for	54
in the last	54
and it is	54
responses to influenza	54
study was to	54
influenza viruses have	54
derived from the	54
in the s	54
the release of	54
influenza and pneumococcal	54
data on the	54
with or without	54
in pregnant women	54
syncytial virus infection	54
of infection and	54
to influenza infection	54
chronic lung disease	54
as previously described	53
amino acid substitutions	53
amino acid changes	53
influenza season in	53
replication in the	53
in the population	53
known to be	53
immunogenicity of a	53
are the most	53
adults and children	53
cases and controls	53
prior to the	53
was used for	53
for the development	53
an avian influenza	53
studies of influenza	53
h n infections	53
randomized controlled trial	53
months of age	53
there has been	53
to the h	53
infection in mice	53
from patients with	53
the distribution of	53
closely related to	53
this is a	53
in immunocompromised patients	53
were positive for	53
to identify the	52
influenza and respiratory	52
of age and	52
of the same	52
estimates of the	52
many of the	52
the innate immune	52
and can be	52
it should be	52
the threat of	52
provided by the	52
the southern hemisphere	52
seasonal influenza vaccines	52
to seasonal influenza	52
novel h n	52
infections in humans	52
surveillance of influenza	52
middle east respiratory	52
have been found	52
in the southern	52
to neuraminidase inhibitors	52
than years of	52
of viral shedding	52
all rights reserved	52
in the event	52
the rest of	52
influenza virus neuraminidase	52
virus isolated from	52
have been identified	52
patients with a	52
swine h n	51
used as a	51
may also be	51
basis of the	51
congo hemorrhagic fever	51
in mice and	51
to understand the	51
in a pandemic	51
infected with a	51
east respiratory syndrome	51
conflicts of interest	51
influenza a in	51
impact on the	51
the value of	51
should not be	51
phylogenetic analysis of	51
influenza and the	51
of the cases	51
epidemiology of influenza	51
hospitalized with influenza	51
a series of	51
embryonated chicken eggs	51
the department of	51
virus replication and	50
was obtained from	50
clinical features of	50
cause of death	50
a or b	50
the outbreak of	50
is possible that	50
it is also	50
be used in	50
the virus in	50
in some cases	50
the availability of	50
influenza vaccines are	50
r n a	50
a mouse model	50
this is the	50
due to a	50
the study was	50
virus and the	50
for the prevention	50
a single dose	50
a viruses are	50
of inactivated influenza	50
emergence of the	50
was conducted in	50
patients admitted to	50
the lungs of	50
origin h n	50
higher than that	50
report of the	50
n a l	50
the northern hemisphere	50
that have been	50
influenza and influenza	50
the start of	50
the outcome of	50
and human influenza	50
of the total	50
a comparison of	50
this age group	50
influenza vaccination is	50
the host response	49
of influenza epidemics	49
of avian h	49
certified by peer	49
cellular immune responses	49
the author funder	49
for the first	49
is the author	49
is responsible for	49
to influenza vaccination	49
associated with increased	49
respiratory infections in	49
for at least	49
the peak of	49
were observed in	49
not certified by	49
the nature of	49
transcription polymerase chain	49
and young children	49
was not certified	49
pandemic influenza vaccine	49
mutations in the	49
preprint in perpetuity	49
influenza vaccine is	49
clinical management of	49
in the second	49
are more likely	49
has been used	49
one or more	49
for the next	49
by peer review	49
would like to	49
of the respondents	48
identification of a	48
u r n	48
cases of h	48
at the end	48
the spanish influenza	48
between the two	48
is required for	48
outbreak of influenza	48
this version posted	48
temperature and humidity	48
for the control	48
our understanding of	48
followed by a	48
surface of the	48
efficacy of the	48
shown that the	48
genetic characterization of	48
n influenza pandemic	48
was performed using	48
from h n	48
for this preprint	48
has shown that	48
infected with the	48
o u r	48
tested positive for	48
j o u	48
contributed to the	48
and influenza virus	47
p r o	47
the event of	47
the plasma membrane	47
and may be	47
was approved by	47
willingness to work	47
tumor necrosis factor	47
from influenza a	47
activity of the	47
the process of	47
the period of	47
of the spanish	47
been used to	47
in the current	47
in southern china	47
viruses circulating in	47
it is likely	47
the incubation period	47
viral infections in	47
that could be	47
region of the	47
on the surface	47
m ion channel	47
use in the	47
around the world	46
they have no	46
risk factor for	46
that they have	46
resistant influenza a	46
influenza a or	46
was able to	46
the university of	46
study of influenza	46
median age of	46
other respir viruses	46
has been suggested	46
allowed without permission	46
of viral replication	46
of this virus	46
no reuse allowed	46
who did not	46
been reported to	46
the contribution of	46
united states and	46
majority of the	46
of cd t	46
of swine influenza	46
of infection with	46
characterization of a	46
reuse allowed without	46
virus in humans	46
less than years	46
be able to	46
regions of the	46
this study were	46
was the most	46
of the current	46
the sensitivity of	45
after the first	45
admitted to the	45
annual influenza vaccination	45
the h y	45
n virus was	45
l p r	45
influenza infections in	45
the extent of	45
of all influenza	45
r o o	45
vaccine in the	45
t cells in	45
in both the	45
we used the	45
of human infection	45
virus ns protein	45
after symptom onset	45
a l p	45
located in the	45
type i ifn	45
be considered for	45
play a role	45
h n outbreak	45
of influenza infections	45
the st century	45
binding to the	45
conflict of interest	45
over the past	45
circulation of influenza	45
by h n	45
study of the	45
a lack of	45
influenza vaccination among	45
p r e	45
pandemic influenza and	45
the united kingdom	45
evolution of influenza	45
is a major	45
used in this	45
swine influenza viruses	45
a subset of	45
and lower respiratory	45
o o f	45
is recommended for	45
human and animal	45
of antiviral treatment	45
belonging to the	45
high level of	45
were tested for	45
a virus replication	44
the genome of	44
higher risk of	44
wave of the	44
risk of infection	44
evaluation of a	44
effect of influenza	44
severity of influenza	44
for public health	44
the vaccine is	44
a decrease in	44
have been developed	44
onset of illness	44
authors declare that	44
correlates of protection	44
of neuraminidase inhibitors	44
that it is	44
of influenza is	44
of the infection	44
no competing interests	44
among patients with	44
for patients with	44
effect of the	44
less likely to	44
change in the	44
samples were collected	44
with the pandemic	44
a group of	44
the current study	44
human transmission of	44
course of the	44
next influenza pandemic	44
influenza pandemic of	44
within days of	44
to be vaccinated	44
is the first	44
the elderly and	44
of health care	44
of the outbreak	44
the amino acid	44
in southeast asia	44
were found in	43
before and after	43
during the early	43
for influenza in	43
the ha gene	43
member of the	43
the pandemic was	43
all of these	43
those of the	43
the formation of	43
thought to be	43
at risk of	43
to improve the	43
of the other	43
defined as the	43
influenza viruses to	43
of the national	43
a public health	43
viruses have been	43
have to be	43
virus was detected	43
complications of influenza	43
resistant h n	43
been observed in	43
influenza in healthy	43
central nervous system	43
hong kong influenza	43
virus in a	42
the secondary site	42
of the a	42
with an influenza	42
led to the	42
are able to	42
in the control	42
underlying medical conditions	42
been found to	42
been shown that	42
the ha of	42
the placebo group	42
a randomized controlled	42
belong to the	42
of the neuraminidase	42
risk of complications	42
it can be	42
with influenza infection	42
upper and lower	42
infections in the	42
study was conducted	42
influenza virus by	42
difference in the	42
infection in a	42
in the previous	42
the range of	42
with and without	42
beginning of the	42
the origin of	42
rapid detection of	42
are needed to	42
results of a	42
protein of influenza	42
their ability to	42
is known to	42
viruses such as	42
is needed to	42
play an important	42
can be found	42
in infants and	42
for the production	42
were identified in	42
to develop a	42
at the beginning	42
vaccine virus selection	42
n pandemic influenza	42
influenza virus h	42
in human beings	42
during influenza infection	42
at increased risk	42
influenza viruses with	42
prevention and treatment	41
respiratory tract of	41
response to a	41
been detected in	41
than in the	41
among the elderly	41
isolated from humans	41
cases of avian	41
collected in the	41
by the influenza	41
virus has been	41
early stages of	41
host immune response	41
transmission of h	41
in the u	41
to account for	41
are responsible for	41
single dose of	41
memory t cells	41
use of a	41
are based on	41
with the h	41
compared to those	41
this preprint this	41
and pathogenesis of	41
preprint this version	41
of severe disease	41
swine influenza a	41
in the h	41
pandemic and seasonal	41
antiviral activity of	41
with influenza b	41
b and c	41
respiratory tract and	41
suggested that the	41
the evaluation of	41
all influenza a	41
strains were isolated	41
influenza vaccines and	40
from the influenza	40
darby canine kidney	40
attenuated influenza vaccines	40
infection in children	40
of type i	40
with highly pathogenic	40
the structure of	40
resulted in a	40
appear to be	40
origin of the	40
rest of the	40
the median age	40
result of the	40
of live attenuated	40
h n or	40
different age groups	40
innate and adaptive	40
resulting in a	40
to public health	40
of human h	40
not associated with	40
in the literature	40
to be effective	40
younger than years	40
declare that they	40
in this review	40
protective immunity against	40
as in the	40
of ph n	40
antigenic drift and	40
and has been	40
risk of death	40
the ns gene	40
and those with	40
were isolated in	40
may result in	40
may contribute to	40
more than one	40
case of influenza	40
after the pandemic	40
proportion of the	40
the viral envelope	40
the middle east	40
adaptive immune responses	40
first wave of	40
the avian influenza	40
adults hospitalized with	40
mice and ferrets	40
in the number	40
for influenza b	40
and do not	40
a pandemic influenza	40
secondary bacterial infection	40
patients with pandemic	40
virus was isolated	39
of children with	39
much of the	39
h influenza virus	39
is thought to	39
studies on the	39
expression of the	39
explained by the	39
the highly pathogenic	39
and that the	39
food and drug	39
during the winter	39
in cases of	39
there is an	39
in of the	39
the type of	39
and use of	39
of human and	39
responses in the	39
out of the	39
the antibody response	39
infants and young	39
it may be	39
between influenza and	39
and evolution of	39
influenza virus activity	39
early in the	39
the viral genome	39
influenza in humans	39
data suggest that	39
studies of the	39
influenza a subtype	39
viruses isolated in	39
is that the	39
patients with pneumonia	39
a period of	39
for influenza vaccination	39
lead to a	39
of more than	39
of an avian	39
is likely that	39
in the course	39
inhibition of the	39
of the pb	39
yet to be	39
influenza in a	39
pneumonia caused by	39
with more than	39
a large number	39
which may be	39
the replication of	39
could be used	39
half of the	39
the activation of	39
the magnitude of	39
circulating in humans	39
sentinel surveillance system	39
pdm virus infection	38
phase of the	38
have been associated	38
syncytial virus in	38
especially in the	38
of cases and	38
a set of	38
and h subtypes	38
of human infections	38
years and older	38
results suggest that	38
cd and cd	38
with a novel	38
the territory of	38
a virus to	38
sialic acid receptors	38
pandemic in the	38
public health emergency	38
the form of	38
is dependent on	38
study showed that	38
be used as	38
and transmission of	38
infection of the	38
the cell surface	38
be related to	38
identification of the	38
rapid antigen tests	38
case fatality rate	38
from the pandemic	38
result in a	38
rate of influenza	38
during the period	38
a risk factor	38
aim of this	38
that influenza virus	38
referred to as	38
of a virus	38
randomised controlled trial	38
highly pathogenic influenza	38
acquired pneumonia in	38
in all age	38
was determined by	38
on the influenza	38
in case of	38
within the first	38
as h n	38
burden of disease	38
prevalence of influenza	38
n influenza vaccine	38
are known to	38
of seasonal and	38
in line with	38
respiratory epithelial cells	38
with the influenza	38
patients with chronic	38
in the winter	38
h n is	38
did not have	37
of neutralizing antibodies	37
to prevent the	37
in human influenza	37
among influenza a	37
when compared with	37
and risk factors	37
presence or absence	37
lethal h n	37
within hours of	37
as the most	37
the vaccine was	37
together with the	37
tract infections in	37
to the host	37
the analysis of	37
reported to be	37
secondary bacterial infections	37
and patients with	37
by reverse genetics	37
shortness of breath	37
to the primary	37
influenza virus to	37
the early stages	37
the outbreak in	37
the source of	37
demonstrated that the	37
to avian influenza	37
of the literature	37
the first pandemic	37
as soon as	37
of human disease	37
the degree of	37
in a mouse	37
the severe acute	37
influenza viruses circulating	37
in the pathogenesis	37
joint prevention and	37
were determined by	37
of morbidity and	37
pandemic influenza preparedness	37
shown in fig	37
of respiratory virus	37
borne encephalitis virus	37
amino acid residues	37
and infectious diseases	37
are the main	37
the state of	37
influenza during the	37
at least two	37
of pneumonia and	37
not included in	37
from the same	37
to be associated	37
been suggested that	37
influenza viruses from	37
during influenza virus	37
and prevention of	37
for each of	37
the primary site	37
such as influenza	37
living in the	37
or h n	37
and drug administration	37
trivalent influenza vaccine	37
viruses and the	37
in infected cells	36
viral replication and	36
effect on the	36
seasonality of influenza	36
the viral polymerase	36
in the middle	36
institute of allergy	36
the ns protein	36
which is a	36
to study the	36
relative to the	36
treated with oseltamivir	36
be considered in	36
children in the	36
in primary care	36
were used for	36
of influenza activity	36
with pandemic h	36
rapid diagnosis of	36
stages of the	36
specificity of the	36
management of influenza	36
required for the	36
respiratory illness in	36
to influenza in	36
of antiviral drugs	36
reported in the	36
may be more	36
is mediated by	36
in pandemic influenza	36
viral and bacterial	36
of the flu	36
of infected cells	36
public health and	36
that there is	36
of the system	36
which can be	36
with pandemic potential	36
not statistically significant	36
the host immune	36
has been associated	36
it is the	36
influenza viruses is	36
accordance with the	36
was performed in	36
and of the	36
of protection against	36
that h n	36
an analysis of	36
the control group	36
effects of the	36
it would be	36
some of these	36
in those with	36
and after the	36
are required to	36
the pandemic strain	36
is difficult to	36
the inclusion of	36
acute respiratory disease	36
immune response in	36
that in the	36
such as a	36
can result in	36
respiratory tract disease	36
the neuraminidase inhibitors	36
the past decade	36
influenza viruses were	36
this work was	36
in this group	36
in children aged	36
of allergy and	36
small number of	36
for more than	35
innate immune responses	35
analyses were performed	35
a virus and	35
the national influenza	35
viral load and	35
in this paper	35
depends on the	35
in north america	35
the far east	35
or absence of	35
viral respiratory infections	35
to the icu	35
the ph n	35
the pandemic of	35
and pandemic h	35
aged years and	35
composition of the	35
reverse transcription polymerase	35
reported to the	35
to the human	35
fatal cases of	35
a virus is	35
were treated with	35
of symptom onset	35
this may be	35
several studies have	35
of cases of	35
vaccines have been	35
h n disease	35
it was not	35
was similar to	35
the pathogenicity of	35
analysis of influenza	35
in the na	35
and spread of	35
emerging infectious diseases	35
effectiveness of the	35
with severe disease	35
and there is	35
t cell immunity	35
is shown in	35
in hospitalized children	35
of antibody to	35
of the infected	35
contrast to the	35
hemorrhagic fever virus	35
immunity in the	35
properties of the	35
of proinflammatory cytokines	35
pandemic avian influenza	35
of a universal	35
allergy and infectious	35
was added to	35
a new influenza	35
revealed that the	35
of virus in	35
to ph n	35
are consistent with	35
studies suggest that	35
after onset of	35
for a pandemic	35
of influenza on	35
in the season	35
infect dis doi	35
rsv and influenza	35
the application of	35
patients with h	35
is not a	35
no evidence of	35
a virus hemagglutinin	35
and the use	34
in this age	34
of infection in	34
immune response and	34
as early as	34
seen in the	34
clinical characteristics of	34
the immunogenicity of	34
significantly associated with	34
is able to	34
of viral rna	34
clinical signs and	34
the activity of	34
the viral load	34
presence of a	34
been isolated from	34
the day of	34
but it is	34
the viral ha	34
the setting of	34
england and wales	34
with those of	34
a virus from	34
to hospital with	34
in the model	34
serve as a	34
immunogenicity of an	34
characteristics of influenza	34
primary viral pneumonia	34
the levels of	34
lung epithelial cells	34
and the other	34
t t t	34
or sore throat	34
health and human	34
influenza a strains	34
the pandemic in	34
disease caused by	34
by the who	34
in england and	34
h n was	34
tests for influenza	34
alveolar epithelial cells	34
genetic characteristics of	34
the quality of	34
the establishment of	34
the ha protein	34
the cleavage site	34
to have been	34
severely ill patients	34
been found in	34
of influenza transmission	34
influenza virus transmission	34
decrease in the	34
a virus m	34
infants and children	34
be expected to	34
for the generation	34
been described in	34
in patients who	34
at that time	34
patients with suspected	34
two doses of	34
have no competing	34
the potential of	34
type a influenza	34
at higher risk	34
within h of	34
ph n virus	34
an influenza vaccine	34
titers in the	34
of the seasonal	34
human airway epithelium	34
influenza a vaccine	34
and the elderly	33
have demonstrated that	33
receptor specificity of	33
in the south	33
exposure to the	33
has been demonstrated	33
both influenza and	33
to prevent influenza	33
season in the	33
of influenza h	33
infection with avian	33
not possible to	33
model for the	33
and young adults	33
difference between the	33
of which were	33
influenza vaccination for	33
the cells were	33
the common cold	33
and effectiveness of	33
from the national	33
of hospitalized patients	33
influenza viruses isolated	33
not yet been	33
vaccinated against influenza	33
evidence for the	33
h n vaccines	33
with a high	33
isolated in the	33
evolution of h	33
with the same	33
influenza virus has	33
infections in children	33
and control mechanism	33
increase the risk	33
cases of human	33
ae and ae	33
and development of	33
close contact with	33
in the form	33
the first time	33
treatment and prophylaxis	33
is important for	33
which is the	33
over years of	33
the safety and	33
of the ns	33
vaccination against influenza	33
determined by the	33
deaths in the	33
in another study	33
herpes simplex virus	33
presence of the	33
and efficacy of	33
of respiratory tract	33
viral load in	33
a diagnosis of	33
h avian influenza	33
of ha and	33
and the number	33
be applied to	33
factors such as	33
and it was	33
to the hospital	33
universal influenza vaccines	33
cases in the	33
due to their	33
results from the	33
is due to	33
the site of	33
seasonal influenza epidemics	33
nuclear export of	33
of the th	33
is characterized by	33
children and young	33
society of america	33
was used as	32
resistance to oseltamivir	32
remains to be	32
n viruses were	32
be the most	32
neuraminidase inhibitors in	32
suggests that the	32
with the exception	32
in severe influenza	32
has been found	32
of these patients	32
both influenza a	32
the seasonality of	32
well as in	32
for influenza viruses	32
kong h n	32
the hemagglutinin of	32
of respiratory viral	32
human immunodeficiency virus	32
the etiology of	32
committee of the	32
those who are	32
the isolation of	32
of an inactivated	32
whether or not	32
virus can be	32
h n swine	32
virus m protein	32
in the setting	32
may be the	32
the benefit of	32
global burden of	32
part of a	32
the upper and	32
been implicated in	32
were similar to	32
in the laboratory	32
cases of severe	32
of the three	32
to those of	32
in the analysis	32
infected with h	32
analysis was performed	32
and cd t	32
cell responses to	32
the last years	32
seems to be	32
influenza virus entry	32
significant differences in	32
infection with the	32
but not in	32
hong kong h	32
led to a	32
has been described	32
in health care	32
are presented in	32
detection of respiratory	32
global influenza surveillance	32
the safety of	32
of the infectious	32
primary influenza pneumonia	32
in a single	32
type i interferon	32
it is well	32
was based on	32
humoral and cellular	32
public health interventions	32
and the virus	32
number of patients	32
the combination of	32
appeared to be	32
like illness in	32
virus in ferrets	32
the association of	32
previous studies have	32
neuraminidase inhibitors for	32
of the next	32
in the following	32
immunity against influenza	32
the prevention and	32
a virus ns	32
attributable to influenza	32
between influenza a	32
findings suggest that	32
the difference in	32
h n cases	32
of antiviral therapy	32
leading to the	32
related to a	32
and should be	32
treatment of severe	32
influenza in adults	32
with an increased	32
inhibition of influenza	32
found to have	32
it was shown	31
influenza transmission in	31
was significantly higher	31
higher proportion of	31
studies have demonstrated	31
were reported in	31
shown to have	31
a subtype h	31
for the presence	31
influenza vaccine for	31
human to human	31
its ability to	31
may be due	31
infectious diseases society	31
for the diagnosis	31
protection against the	31
significant increase in	31
severe h n	31
has been the	31
in adults with	31
related to influenza	31
cells infected with	31
virus infection is	31
no significant difference	31
this study is	31
of avian and	31
induced by influenza	31
infections with avian	31
h influenza viruses	31
have been observed	31
to the emergence	31
the creation of	31
during the course	31
against pandemic influenza	31
the most frequent	31
features of the	31
fact that the	31
the design of	31
for the pandemic	31
important for the	31
for influenza surveillance	31
viruses of vertebrates	31
the exception of	31
the mechanism of	31
to the vaccine	31
performance of the	31
in the ussr	31
spanish influenza pandemic	31
is defined as	31
influenza infection is	31
a universal vaccine	31
amino acid sequence	31
n and a	31
syncytial virus and	31
influenza vaccination status	31
by the national	31
with influenza viruses	31
in insect cells	31
in mainland china	31
to be used	31
protective efficacy of	31
the administration of	31
function of the	31
against influenza viruses	31
adult patients with	31
higher rates of	31
infection control measures	31
indicate that the	31
features of influenza	31
was higher than	31
the swine flu	31
to ensure that	31
chen et al	31
avian influenza strains	31
in the hemagglutinin	31
influenza a infections	31
influenza sentinel surveillance	30
the appearance of	30
of infectious disease	30
the a h	30
patients with asthma	30
in the world	30
are capable of	30
the gold standard	30
the similarity of	30
pandemic of the	30
we conducted a	30
for influenza infection	30
up to of	30
among pregnant women	30
it is a	30
to the ha	30
receptor binding specificity	30
catalogue of arboviruses	30
an average of	30
viral replication in	30
the response to	30
influenza at the	30
of the novel	30
and the potential	30
of influenza pandemic	30
indicated that the	30
virus infection by	30
tested for influenza	30
factors for severe	30
the epidemiology and	30
national institutes of	30
a novel swine	30
influenza virus from	30
of influenza was	30
of oseltamivir in	30
significant difference in	30
virus titers in	30
of influenza cases	30
with the highest	30
lead to the	30
with respiratory syncytial	30
two or more	30
association between influenza	30
for the h	30
binding properties of	30
has recently been	30
onset of influenza	30
a high level	30
aerosol transmission of	30
memory cd t	30
the infection rate	30
associated with high	30
in human macrophages	30
patients with acute	30
international catalogue of	30
use of antiviral	30
diseases society of	30
rate of the	30
insights into the	30
the objective of	30
infected avian influenza	30
better understanding of	30
been used in	30
of the upper	30
the intensive care	30
age of years	30
against influenza in	30
infection rate of	30
and na genes	30
viral shedding in	30
a pandemic is	30
response to infection	30
as a consequence	30
viruses were isolated	30
humoral immune response	30
for an influenza	30
against influenza infection	30
safety of the	30
of the data	30
sequence of the	30
a significant increase	30
of novel influenza	30
age of the	30
the receptor binding	30
component of the	30
the interaction between	30
is necessary to	30
the virus has	30
start of the	30
influenza vaccine uptake	30
of a highly	30
knowledge of the	30
spread of pandemic	30
has been observed	30
and approved the	30
influenza virus isolates	30
higher than the	30
regardless of the	30
limited number of	30
no conflict of	30
infected cells and	30
the composition of	30
the treatment and	30
in patients in	30
influenza virus ns	30
it will be	30
human infected avian	30
added to the	29
children under years	29
and human services	29
and duration of	29
hong kong and	29
with at least	29
are similar to	29
consent was obtained	29
up to days	29
subtype of influenza	29
be found in	29
severe influenza a	29
safety and efficacy	29
a patient with	29
n viruses isolated	29
development of new	29
table shows the	29
b virus infection	29
confirmed human cases	29
of the antibody	29
influenza virus genome	29
testing for influenza	29
should be given	29
was present in	29
the influenza viruses	29
correlated with the	29
the influenza c	29
the significance of	29
in these patients	29
was performed to	29
moderate to severe	29
to provide a	29
those in the	29
account for the	29
such as h	29
focused on the	29
compared to other	29
sensitivity of the	29
of a recombinant	29
pandemic influenza h	29
that the h	29
institutional review board	29
pneumonia in the	29
for min at	29
h n were	29
for influenza vaccines	29
against the pandemic	29
on the territory	29
of t cell	29
dependent on the	29
was the first	29
children aged years	29
there is evidence	29
the influenza b	29
presence of influenza	29
the possibility that	29
disease prevention and	29
were admitted to	29
influenza virus type	29
new influenza a	29
and specificity of	29
as a potential	29
effects of influenza	29
proportion of influenza	29
a viruses and	29
at the national	29
with that of	29
is known about	29
preparedness and response	29
infection and the	29
approved the final	29
and those who	29
were performed in	29
presented in table	29
rapid influenza diagnostic	29
onset of the	29
was identified in	29
to the study	29
informed consent was	29
and risk of	29
to be considered	29
in the field	29
occurrence of influenza	29
h y mutation	29
they are not	29
of the virion	29
types of influenza	29
and influenza vaccination	29
to better understand	29
that there was	29
show that the	29
estimated to be	29
n influenza infection	29
association between the	29
on influenza virus	29
with a higher	29
were asked to	29
in seasonal influenza	29
in adult patients	29
isolation of influenza	29
virus as a	29
of mice with	29
sequence analysis of	29
the fusion peptide	29
a panel of	29
institutes of health	29
were performed using	29
and acute respiratory	28
history of influenza	28
disease in the	28
influenza vaccines for	28
h n isolates	28
also known as	28
be detected in	28
management of patients	28
in the north	28
for severe influenza	28
respiratory viruses and	28
number of deaths	28
by avian influenza	28
pregnant women and	28
the odds of	28
in developing countries	28
treatment of acute	28
particularly in the	28
of resistance to	28
of an h	28
ecology of influenza	28
the difference between	28
vaccines based on	28
carried out in	28
n virus and	28
risk for severe	28
innate immune system	28
of pregnant women	28
antiviral activity against	28
the past years	28
host response to	28
epidemiological and virological	28
influenza viruses a	28
viruses can be	28
period of time	28
a phase i	28
the first influenza	28
influenza pandemic preparedness	28
on h n	28
occurred in the	28
natural foci of	28
strongly associated with	28
spanish influenza virus	28
in agreement with	28
with a single	28
lower than that	28
compared with those	28
to examine the	28
strains of the	28
national institute for	28
confirmed cases of	28
of respiratory infections	28
that the influenza	28
respect to the	28
following influenza infection	28
the most commonly	28
with the virus	28
pandemic influenza vaccines	28
potential conflicts of	28
of viral infections	28
with severe acute	28
protective effect of	28
to detect influenza	28
could lead to	28
the goal of	28
the ferret model	28
of the na	28
as described previously	28
mechanism of action	28
there are several	28
to explain the	28
associated with human	28
influenza surveillance and	28
years or older	28
or more of	28
the species barrier	28
the neuraminidase inhibitor	28
there was an	28
at room temperature	28
viruses in humans	28
by using a	28
replication of the	28
generation of influenza	28
between and years	28
was shown that	28
the population of	28
associated with avian	28
weekly number of	28
of the country	28
at risk for	28
of antigenic drift	28
on the use	28
circulating in the	28
different types of	28
vaccines for the	28
collected from the	28
an association between	28
h n subtypes	28
to sialic acid	28
against avian influenza	28
in young adults	28
leads to the	28
of those who	28
the viral rna	28
response to pandemic	28
influenza with vaccines	28
with the use	28
do not have	28
virus in mice	28
acute otitis media	28
influenza surveillance system	28
pandemic potential of	28
influenza a is	28
clinical features and	28
similarity of the	28
gene of influenza	28
in the placebo	28
may be associated	28
the pb gene	28
each of these	28
of the international	28
in humans in	28
intensive care units	28
are thought to	28
in tissue culture	28
of the main	28
to influenza and	28
mode of action	28
h n ha	28
under years of	27
higher levels of	27
many of these	27
infection has been	27
will need to	27
strains isolated from	27
the increase in	27
receptor binding site	27
number of confirmed	27
it does not	27
this type of	27
this suggests that	27
to contribute to	27
during the outbreak	27
duration of illness	27
clinical trials of	27
h n human	27
the mortality rate	27
studies have been	27
of the swine	27
vaccination coverage among	27
the purpose of	27
development of the	27
of the st	27
cell responses in	27
public health officials	27
that the pandemic	27
we would like	27
pneumonia due to	27
of transmission of	27
evidence that the	27
person to person	27
use of antibiotics	27
in avian influenza	27
be involved in	27
have contributed to	27
the size of	27
is required to	27
emergence of influenza	27
of the onset	27
viruses were detected	27
year of age	27
symptoms of influenza	27
it is difficult	27
in the epidemic	27
model of influenza	27
the current pandemic	27
type a and	27
duration of the	27
than of the	27
that may be	27
of a h	27
the republic of	27
to the high	27
of fatal human	27
influenza virus proteins	27
was higher in	27
the south of	27
options for the	27
version posted july	27
to play a	27
of at least	27
to the lack	27
antibody responses in	27
more than half	27
in comparison with	27
in light of	27
basis for the	27
of the clinical	27
after influenza infection	27
most likely to	27
of severe illness	27
to circulate in	27
hematopoietic stem cell	27
influenza viruses by	27
the vaccine strain	27
in this context	27
on the day	27
and m proteins	27
birds in the	27
the surveillance system	27
as influenza a	27
with suspected influenza	27
to the current	27
in this population	27
inactivated influenza virus	27
and genetic characteristics	27
can be detected	27
and impact of	27
of death in	27
in the region	27
new york city	27
vaccination coverage in	27
million cases of	27
to deal with	27
of the russian	27
authors declare no	27
a member of	27
the weekly number	27
molecular characterization of	27
mortality in patients	27
vaccines in the	27
were shown to	27
on influenza a	27
in the tropics	27
of the global	27
participated in the	27
suggesting that the	27
the life sciences	27
more susceptible to	27
to predict the	27
cells of the	27
high risk for	27
of a single	27
is believed to	27
balb c mice	27
the presence or	27
it is necessary	27
emergence of new	27
in this case	27
to stay home	27
a higher proportion	27
the definition of	27
of the authors	27
results in a	27
for the use	27
to protect against	27
novel influenza virus	27
influenza vaccine production	27
is involved in	27
influenza virus polymerase	27
and parainfluenza viruses	27
demographic and clinical	27
of the eight	27
objective of this	27
a viruses from	26
aged years or	26
influenza viruses of	26
in the majority	26
children younger than	26
by using the	26
did not differ	26
research and development	26
based on these	26
reduce the risk	26
to our knowledge	26
that they are	26
of immunity to	26
cells were infected	26
to the world	26
a cause of	26
respiratory virus infection	26
by the end	26
preventing influenza in	26
described in the	26
was caused by	26
replication of influenza	26
genes from the	26
the field of	26
the rates of	26
taken into account	26
randomized controlled trials	26
a better understanding	26
to influenza vaccine	26
illness in the	26
influenza virus subtypes	26
b virus infections	26
least one of	26
of exposure to	26
seasonal influenza with	26
result in the	26
live attenuated vaccines	26
in other countries	26
and cellular immune	26
unlikely to be	26
available in the	26
personal protective equipment	26
rather than the	26
the clinical course	26
one dose of	26