Pandemic phase level 4: human cases of the novel influenza A/H1N1 strain confirmed in Scotland and Spain

Collective Editorial team

doi:10.2807/ese.14.17.19185-en

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Pandemic phase level 4: human cases of the novel influenza A/H1N1 strain confirmed in Scotland and Spain
Collective Editorial team¹
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Affiliations: ¹ European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden

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Collective Editorial team
eurosurveillance ecdc.europa.eu
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Citation style for this article: Editorial team Collective. Pandemic phase level 4: human cases of the novel influenza A/H1N1 strain confirmed in Scotland and Spain. Euro Surveill. 2009;14(17):pii=19185. https://doi.org/10.2807/ese.14.17.19185-en

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Abstract

Due to the spread of the ongoing international outbreak of infections with a novel influenza A(H1N1) virus (the so-called 'swine flu'), the WHO raised the alert level for pandemic influenza to Phase 4 on 27 April 2009. The first cases have been laboratory-confirmed on European territory, two in Spain and two in Scotland. .