Summary
Report type: immediate notification
Started: 20 Sep 2021
Confirmed: 24 Sep 2021
Reported: 15 Oct 2021
Reason for notification: recurrence
Last occurrence: 29 Apr 2021
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, laboratory
This event pertains to a defined zone within the country.

New outbreaks
Total outbreaks: 3
Outbreak location 1: Zemun, Palilula, Grad Beograd
Started: 20 Sep 2021
Epidemiological unit: other
Animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Mute swan (_Cygnus olor_): Anatidae-Anseriformes / - / 6 / 6 / - / - /
-

Outbreak location 2: Kovilovo, Palilula, Grad Beograd
Started: 8 Oct 2021
Epidemiological unit: other
Animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Mute swan (_Cygnus olor_): Anatidae-Anseriformes / - / 2 / - / - / - /
-

Outbreak location 3: Borca, Palilula, Grad Beograd
Started: 29 Sep 2021
Epidemiological unit: Other
Animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Mute swan (_Cygnus olor_): Anatidae-Anseriformes / - / 1 / 1 / - / - /
-

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

Control measures at event level
Domestic control measures applied: surveillance within containment and
or the protection zone; zoning.
Wild control measures applied: zoning.

Diagnostic test results
Laboratory name and type / Species / Outbreaks / Test / Test date /
Result
Veterinary Specialized Institute Kraljevo National Laboratory/ Mute
Swan / 3 / Real-time polymerase chain reaction (real-time PCR) / 20
Sep to 9 Oct 2021 / positive