WOAH: Russia - high pathogenicity avian influenza viruses (poultry) (infection with H5N1)

Summary
Report type: immediate notification
Started: 23 Oct 2022
Confirmed: 30 Oct 2022
Reported: 1 Nov 2022
Reason for notification: recurrence
Last occurrence: 31 Aug 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: Komsomol´skaya, Komsomol´skiy rayon, Khabarovsk
Started: 23 Oct 2022
Epidemiological unit: farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 523 000 / 66 213 / 66 213 / 0 / 0 / 0

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

Control measures applied in domestic animals: zoning, surveillance
within the restricted zone, screening, quarantine, official disposal
of carcasses, by-products and waste, movement control, disinfection,
control of wildlife reservoirs

Diagnostic test results
Laboratory name and type / Species / Test / Last result date / Result
FGBI ARRIAH (All-Russian Research Institute for Animal Health) / Birds
/ Real-time reverse transcription polymerase chain reaction (rRT-PCR)
/ 30 Oct 2022 / positive