Confirmed case of A(H5N1) human avian influenza in England
Published 27 January 2025
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This publication is available at https://www.gov.uk/government/publications/avian-influenza-statistical-releases/confirmed-case-of-ah5n1-human-avian-influenza-in-england
This release has been published in response to a confirmed case A(H5N1) human avian influenza in England, to accompany UKHSA news stories on avian influenza, in line with the Office for Statistics Regulations’ guidance on intelligent transparency.
Confirmed cases
On 27 January 2025, the UK Health Security Agency (UKHSA) confirmed one case of A(H5N1) human avian influenza.
UKHSA news updates on confirmed cases are issued separately to the information on this page.
Methods and definitions
The clinical and exposure criteria for determining a potential case of A(H5N1) human avian influenza is outlined in this guidance.
The case was tested by the UKHSA Rapid Investigation Team and the positive result confirmed by the UKHSA Respiratory Virus Unit.
Further information and advice
Avian influenza is an infectious disease of birds caused by the influenza A virus. Human infections with avian influenza are rare.
UKHSA has published a range of guidance and advice on the symptoms, testing, diagnosis, management, epidemiology, and risk assessment of avian influenza.