id author title date pages extension mime words sentences flesch summary cache txt cord-350328-wu1ygt6w Tambyah, P. A. SARS: responding to an unknown virus 2004-07-14 .txt text/plain 4855 221 53 The severe acute respiratory syndrome (SARS) is an emerging infection caused by a novel coronavirus which first appeared in southern China at the end of 2002. The severe acute respiratory syndrome (SARS) is a newly recognized coronavirus infection that emerged in southern China [1] with subsequent global spread to 29 countries [2] [3] [4] [5] . The newly infected individuals traveled onward to their homes or next destinations in the USA, Canada, Singapore, Hong Kong and Ireland sparking off epidemics of varying degrees of severity in each of those countries, mainly in hospitals but also in their respective communities. A directive had gone out from the Hong Kong Department of Health on 21 February 2003 to maintain strict infection control with droplet precautions for all cases of "atypical" community-acquired pneumonia because of concerns that highly pathogenic avian influenza might be easily transmissible from person to person. Severe acute respiratory syndrome (SARS) in Singapore: clinical features of index patient and initial contacts ./cache/cord-350328-wu1ygt6w.txt ./txt/cord-350328-wu1ygt6w.txt