Dissemin is shutting down on January 1st, 2025

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European Centre for Disease Prevention and Control, Eurosurveillance, 5(27), 2022

DOI: 10.2807/1560-7917.es.2022.27.5.2200061

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A case of avian influenza A(H5N1) in England, January 2022

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

On 5 January 2022, high pathogenicity avian influenza A(H5N1) was confirmed in an individual who kept a large flock of ducks at their home in England. The individual remained asymptomatic. H5N1 was confirmed in 19/20 sampled live birds on 22 December 2021. Comprehensive contact tracing (n = 11) revealed no additional primary cases or secondary transmissions. Active surveillance of exposed individuals is essential for case identification. Asymptomatic swabbing helped refine public health risk assessment and facilitated case management given changes in avian influenza epidemiology.