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Pandemic (H1N1) 2009 Surveillance and Prevalence of Seasonal Influenza, Singapore |
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| Authors: | Yee-Sin Leo David C Lye Timothy Barkham Prabha Krishnan Eillyne Seow Angela Chow |
| Affiliation: | Tan Tock Seng Hospital, Singapore |
| Abstract: | On April 25, 2009, Singapore implemented strict containment measures for pandemic (H1N1) 2009 with enhanced surveillance and hospital isolation. In the first month, seasonal influenza, predominantly virus subtype H3N2, was diagnosed for 32% of patients with acute febrile respiratory illness. Our findings underscore the high prevalence of seasonal influenza in Singapore. |
| Keywords: | Pandemic (H1N1) 2009 seasonal influenza influenza surveillance viruses Singapore expedited dispatch |