WOAH: Italy - high pathogenicity avian influenza viruses (H5N1)(poultry)

Report type: immediate notification
Started: 6 Mar 2023
Confirmed: 7 Mar 2023
Reported: 8 Mar 2023
Reason for notification: recurrence
Last occurrence: 30 Dec 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: Sorga, Verona, Veneto
Started: 6 Mar 2023
Epidemiological unit: farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / - / 50 / - / - / - / -
Affected population: the highly pathogenic avian influenza virus
(HPAI), subtype H5N1, has been detected in a commercial farm of
fattening turkeys.

Domestic control measures: zoning; surveillance within the restricted
zone; quarantine; official disposal of carcasses, by-products, and
waste; movement control; disinfection.

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

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
National Reference / FAO Laboratory for avian influenza and
Newcastle disease / birds / Reverse transcription-polymerase chain
reaction (RT-PCR) / 7 Mar 2023 / positive