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In this study we developed a Poisson prediction modelling approach to estimate the excess mortality associated with pH1N1 in 2009 and seasonal influenza in 1998\u20132008 in the subtropical city Hong Kong. The results suggested that there were 127 all-cause excess deaths associated with pH1N1, including 115 with cardiovascular and respiratory disease, and 22 with pneumonia and influenza. The excess mortality rates associated with pH1N1 were highest in the population aged \u2a7e65 years. The mortality burden of influenza during the whole of 2009 was comparable to those in the preceding ten inter-pandemic years. The estimates of excess deaths were more than twofold higher than the reported fatal cases with laboratory-confirmed pH1N1 infection.<\/jats:p>","DOI":"10.1017\/s0950268811002238","type":"journal-article","created":{"date-parts":[[2011,11,11]],"date-time":"2011-11-11T12:34:31Z","timestamp":1321014871000},"page":"1542-1550","source":"Crossref","is-referenced-by-count":35,"title":["Excess mortality associated with the 2009 pandemic of influenza A(H1N1) in Hong Kong"],"prefix":"10.1017","volume":"140","author":[{"given":"L.","family":"YANG","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K. P.","family":"CHAN","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B. J.","family":"COWLING","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. 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