A preliminary analysis of the epidemiology of influenza A(H1N1)v virus infection in Thailand from early outbreak data, June-July 2009

U C de Silva; J Warachit; S Waicharoen; M Chittaganpitch

doi:10.2807/ese.14.31.19292-en

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A preliminary analysis of the epidemiology of influenza A(H1N1)v virus infection in Thailand from early outbreak data, June-July 2009
U C de Silva^1,2 , J Warachit³ , S Waicharoen³ , M Chittaganpitch³
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Affiliations: ¹ Thailand-Japan Research Collaboration Centre on Emerging and Re-emerging Infections, National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi, Thailand ² Department of Genome Informatics, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan ³ World Health Organization National Influenza Centre, National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi, Thailand

Correspondence:
U de Silva
chandi biken.osaka-u.ac.jp
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Citation style for this article: de Silva U C, Warachit J, Waicharoen S, Chittaganpitch M. A preliminary analysis of the epidemiology of influenza A(H1N1)v virus infection in Thailand from early outbreak data, June-July 2009. Euro Surveill. 2009;14(31):pii=19292. https://doi.org/10.2807/ese.14.31.19292-en Received: 28 Jul 2009

Abstract

As the influenza A(H1N1)v pandemic unfolds globally, it is vital to monitor closely for signals of change in the current patterns of transmission. We estimate the basic reproduction ratio for A(H1N1)v virus in Thailand and propose a method to keep track of the actual case count notwithstanding the exponential growth rate.