Excess mortality impact of two epidemics of pandemic influenza A(H1N1pdm09) virus in Hong Kong

[tetano]

Influenza Other Respir Viruses. 2014 Jan;8(1):1-7. doi: 10.1111/irv.12196. Epub 2013 Nov 7.
Excess mortality impact of two epidemics of pandemic influenza A(H1N1pdm09) virus in Hong Kong.
Wu P, Goldstein E, Ho LM, Wu JT, Tsang T, Leung GM, Cowling BJ.
Author information
Abstract

Hong Kong experienced two large epidemics of pandemic influenza A(H1N1pdm09). We used regression methods to estimate the excess mortality associated with each epidemic. The first epidemic of H1N1pdm09 peaked in September 2009 and was associated with 2?13 [95% confidence interval (CI): -8?08, 11?82] excess all-cause deaths per 100 000 population. The second epidemic of H1N1pdm09 in early 2011 was associated with 4?72 [95% CI: -0?70, 10?50] excess deaths per 100 000 population. More than half of the estimated excess all-cause deaths were attributable to respiratory causes in each epidemic. The reasons for substantial impact in the second wave remain to be clarified.

? 2013 The Authors. Influenza and Other Respiratory Viruses Published by John Wiley & Sons Ltd.
KEYWORDS:

Excess mortality, H1N1pdm09, impact, influenza, pandemic

PMID:
24373289
[PubMed - in process]
PMCID:
PMC3877676
[Available on 2015/1/1]

http://www.ncbi.nlm.nih.gov/pubmed/24373289