Summary
Report type: immediate notification
Started: 28 Dec 2021
Confirmed: 30 Dec 2021
Reported: 31 Dec 2021
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: Vila Nova da Barquinha, Praia do Ribatejo,
Santarem
Started: 28 Dec 2021
Epidemiological unit: farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 7353 / 31 / 31 / - / - / -
Affected population: fattening turkeys
Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive

Control measures at event level
Domestic control measures applied: stamping out, surveillance within
containment and/or the protection zone, traceability, zoning, 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 Dec 2021 / positive