Please use this identifier to cite or link to this item: https://doi.org/10.3201/eid1201.050826
Title: Influenza-associated deaths in tropical Singapore
Authors: Chow, A 
Ma, S 
Ai, E.L
Suok, K.C
Keywords: adult
aged
article
confidence interval
controlled study
human
influenza
Influenza virus
Influenza virus A
mortality
nonhuman
pneumonia
regression analysis
Singapore
tropics
Issue Date: 2006
Publisher: Centers for Disease Control and Prevention (CDC)
Citation: Chow, A, Ma, S, Ai, E.L, Suok, K.C (2006). Influenza-associated deaths in tropical Singapore. Emerging Infectious Diseases 12 (1) : 114-121. ScholarBank@NUS Repository. https://doi.org/10.3201/eid1201.050826
Rights: Attribution 4.0 International
Abstract: We used a regression model to examine the impact of influenza on death rates in tropical Singapore for the period 1996-2003. Influenza A (H3N2) was the predominant circulating influenza virus subtype, with consistently significant and robust effect on mortality rates. Influenza was associated with an annual death rate from all causes, from underlying pneumonia and influenza, and from underlying circulatory and respiratory conditions of 14.8 (95% confidence interval 9.8-19.8), 2.9 (1.0-5.0), and 11.9 (8.3-15.7) per 100,000 person-years, respectively. These results are comparable with observations in the United States and subtropical Hong Kong. An estimated 6.5% of underlying pneumonia and influenza deaths were attributable to influenza. The proportion of influenza-associated deaths was 11.3 times higher in persons age ?65 years than in the general population. Our findings support the need for influenza surveillance and annual influenza vaccination for at-risk populations in tropical countries.
Source Title: Emerging Infectious Diseases
URI: https://scholarbank.nus.edu.sg/handle/10635/181086
ISSN: 10806040
DOI: 10.3201/eid1201.050826
Rights: Attribution 4.0 International
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