WOAH: Portugal-influenza A viruses of high pathogenicity (non-poultry including wild birds) (H5N1)

Summary
Report type: immediate notification
Started: 14 Nov 2022
Confirmed: 20 Nov 2022
Reported: 22 Nov 2022
Reason for notification: recurrence
Last occurrence: 21 Sep 2022
Causal agent: highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, laboratory
This event pertains to a defined zone within the country.

Outbreak location: Marinha Grande, Leiria
Started: 14 Nov 2022
Ended: 20 Nov 2022
Epidemiological unit: other
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Grey heron / - / 1 / 1 / - / - / -
Affected population: grey heron found dead in a city park.

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
National Institute of Agricultural and Veterinary Research (national
laboratory) / grey heron / real-time reverse transcription polymerase
chain reaction (rRT-PCR) / 20 Nov 2022 / positive