Summary
Report type: immediate notification
Started: 23 Oct 2021
Confirmed: 28 Oct 2021
Reported: 23 Nov 2021
Reason for notification: recurrence
Last occurrence: 9 Sep 2021
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N5
Nature of diagnosis: clinical, necropsy, laboratory
This event pertains to a defined zone within the country.

New outbreaks
Total outbreaks (3)
Outbreak location 1: Proximity of Garmsar, Garmsar, Semnan
Started: 23 Oct 2021
Ended: 25 Oct 2021
Epidemiological unit: village
Animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 43 / 43 / 27 / 16 / 0 / 0
Affected population: ducks N-type has not been yet identified.

Outbreak location 2: Proximity of Angut city - Mollalar, Germi,
Ardebil
Started: 30 Oct 2021
Ended: 1 Nov 202
Epidemiological unit: village
Animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 100 / 100 / 85 / 15 / 0 / 0
Affected population: ducks, turkeys, chicken, geese. N-type has not
been yet identified.

Outbreak location 3: Proximity of Angut city - GharehAghaj- Mollalar,
Germi, Ardebil
Started: 30 Oct 2021
Ended: 1 Nov 2021
Epidemiological unit: village
Animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 500 / 500 / 250 / 250 / 0 / 0
Affected population: ducks, turkeys, chicken, geese.

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive.
Epidemiological comments: the event was reported according to the Iran
passive surveillance in place.
A post-outbreak investigation to trace the source of infection is
ongoing to detect the probable spread and circulation of this subtype.
Active surveillance is ongoing

Control measures at event level
Domestic control measures applied: traceability; surveillance within
containment and or the protection zone; surveillance outside
containment and or the protection zone; stamping out; disinfection;
ante and post-mortem inspections; disinfestation; movement control
inside the country; official destruction of animal products; official
disposal of carcasses, by-products, and waste; quarantine; screening;
selective killing and disposal.

Diagnostic test results
Laboratory name and type / Species / Outbreaks / Test / Test date /
Result
Central Veterinary Reference laboratory of Iran Veterinary
Organization (IVO) national laboratory / birds / 1 / real-time
polymerase chain reaction (real-time PCR) / 23 to 30 Oct 2021 /
positive