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2022-8-19 0:23:51


OIE: Highly pathogenic influenza A viruses (Infection with H5N1) (non-poultry including wild birds) (2017-), Portugal
submited by kickingbird at Dec, 10, 2021 9:27 AM from OIE

Summary
Report type: Immediate notification
Started: 30 Nov 2021
Ended: 6 Dec 2021
Confirmed: 30 Nov 2021
Reported: 6 Dec 2021
Reason for notification: 1st occurrence in a zone or a compartment
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: Clinical, necropsy, laboratory
This event pertains to a defined zone within the country.

Outbreak location: Palmela-Poceirao, Poceirao, Palmela, Setubal
Started: 30 Nov 2021
Ended: 6 Dec 2021
Epidemiological unit: Backyard
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 79 / 7/ 7/ 72 / 0 / 0
Affected population: Highly pathogenic avian influenza H5N1 was
confirmed in a hobby flock of chicken (60), ducks (14), turkeys (3)
and geese (2)

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

Epidemiological comments: It is a backyard holding with multiple bird
species. The probable source is contact with wild birds, because no
other epidemiological links were found. The holdings in the protection
and surveillance zone were visited and there were no clinical signs
and/or mortality. All the holdings are backyard (non-poultry).

Control measures at event level
Domestic control measures applied: Zoning; traceability; stamping out;
official disposal of carcasses, by-products and waste; movement
control inside the country; disinfection

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
Instituto Nacional de Investiga??o Agrária e Veterinária National
Laboratory/ Birds / Real-time reverse transcription polymerase chain
reaction (rRT-PCR)/ 30 Nov 2021 / Not available
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