Summary
Report type: Immediate notification
Started: 30 Dec 2021
Confirmed: 4 Jan 2022
Reported: 5 Jan 2022
Reason for notification: Recurrence
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: Alpiarca, Santarem
Started: 30 Dec 2021
Epidemiological unit: Natural park
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Wildlife (species unspecified) (Al indeterminatum fau): Wildlife
(family unspecified)-Wildlife (order unspecified) / 100 / 15 / 15 / -
/ - / -
Affected population: 100 animals (ducks and wild geese)

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) / Wildlife / Real-time reverse transcription polymerase
chain reaction (rRT-PCR) / 4 Jan 2022 / Positive