Highly pathogenic avian influenza,
Information received on 15/12/2020 from Dr Ali Safar Maken Ali, Head, Iran Veterinary Organization (IVO), Ministry of Jihad-e- Agriculture, Tehran, Iran
Report type Immediate notification
Date of start of the event 05/12/2020
Date of confirmation of the event 06/12/2020
Report date 15/12/2020
Date submitted to OIE 15/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 28/01/2020
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (15/12/2020)
Follow-up report No. 1 (12/01/2021)
New outbreaks (1)
Outbreak 1 Esfandabad(ghala seyed), Tehran
Date of start of the outbreak 05/12/2020
Outbreak status Resolved (09/12/2020)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 600 600 50 550 0
Affected population Turkey
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 600 600 50 550 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% 8.33% 8.33% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Contact with wild species
Epidemiological comments 1 - The event was reported based on Iran Veterinary Organization HPAI epidemio-surveillance program. 2 - The aim is to close the event; in the protection zone and surveillance zone trace back and trace forward activities are ongoing
Control measures
Measures applied
  • Screening
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • Disinfection
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Zoning
Diagnostic test results
Laboratory name and type Species Test Test date Result
Provincial Veterinary Laboratory of Tehran (Local laboratory) Birds real-time PCR 06/12/2020 Positive
Central veterinary laboratory of Iran Veterinary Organization (National laboratory) Birds real-time PCR 09/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations