Epidemiology of new influenza A(H1N1) in the United Kingdom, April – May 2009

Health Protection Agency and Health Protection Scotland new influenza A(H1N1) investigation teams*

doi:10.2807/ese.14.19.19213-en

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Epidemiology of new influenza A(H1N1) in the United Kingdom, April – May 2009
Health Protection Agency and Health Protection Scotland new influenza A(H1N1) investigation teams*^1,2
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Affiliations: ¹ Health Protection Agency, London, United Kingdom ² Health Protection Scotland, Glasgow, United Kingdom

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Citation style for this article: Health Protection Agency and Health Protection Scotland new influenza A(H1N1) investigation teams*. Epidemiology of new influenza A(H1N1) in the United Kingdom, April – May 2009. Euro Surveill. 2009;14(19):pii=19213. https://doi.org/10.2807/ese.14.19.19213-en Received: 14 May 2009

Abstract

Following importations of cases from Mexico and the United States, by 11 May, United Kingdom surveillance activities had detected a total of 65 individuals with confirmed infections caused by the new influenza A(H1N1) virus. The infections were mainly in young people and younger adults and they spread within households and within schools. The illness in the United Kingdom is similar in severity to seasonal influenza and to date, besides one case of bacterial pneumonia, no clinically serious cases have occurred.