id author title date pages extension mime words sentences flesch summary cache txt cord-269612-pmzdovna Pennington, Hugh Politics, media and microbiologists 2004 .txt text/plain 3821 177 52 Studies on the SARS outbreak in Hong Kong 1 -after the exclusion of two 'superspread' events where special circumstances allowed index cases to infect many individuals (at the Prince of Wales Hospital and at the Amoy Gardens estate) -gave an estimated R 0 value of 2.7. From analyses of samples taken from Vietnam, Singapore and Hong Kong, laboratories in the network ruled out the possibility of infection by any of the known influenza virus strains or other established causes of pneumonia, and concluded that SARS was new. It meant that the Hong Kong Department of Health, Hospital Authority and laboratory surveillance facility 11 , and the WHO, were particularly well prepared to respond to the SARS outbreak. In March 1997, an outbreak of avian influenza caused by the A virus subtype H5N1 killed several thousand chickens in three rural Hong Kong chicken farms. ./cache/cord-269612-pmzdovna.txt ./txt/cord-269612-pmzdovna.txt