OIE: Highly pathogenic avian influenza, Iran

Information received on 18/03/2019 from Dr Alireza Rafiepoor, Head of Iran Veterinary Organization (IVO), Iran Veterinary Organization (IVO), Ministry of Jihad-e-Agriculture, Tehran, Iran
Report type Follow-up report No. 7
Date of start of the event 15/11/2018
Date of confirmation of the event 18/11/2018
Report date 18/03/2019
Date submitted to OIE 18/03/2019
Reason for notification Recurrence of a listed disease
Date of previous occurrence 30/01/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (basic), Necropsy
This event pertains to the whole country
Related reports Immediate notification (11/12/2018)
Follow-up report No. 1 (22/12/2018)
Follow-up report No. 2 (05/01/2019)
Follow-up report No. 3 (19/01/2019)
Follow-up report No. 4 (12/02/2019)
Follow-up report No. 5 (20/02/2019)
Follow-up report No. 6 (09/03/2019)
Follow-up report No. 7 (18/03/2019)
New outbreaks (1)
Outbreak 1 Tabriz city, East Azarbayejan
Date of start of the outbreak 26/02/2019
Outbreak status Resolved (28/02/2019)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 31 31 10 21 0
Affected population Backyard poultry
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 31 31 10 21 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% 32.26% 32.26% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Based on Iran´s HPAI control strategy, four different steps of HPAI operational control program (1- report/ detect, 2- confirmation, 3- extinction, 4- closure) are ongoing. The main objective of our National Program is to close the HPAI outbreaks; through trace-back and trace-forward investigation, this new outbreak was reported and closed successfully.
Control measures
Measures applied
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • Disinfection
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.