Highly pathogenic avian influenza,
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
Date event resolved 11/04/2019
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 a defined zone within the 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)
Follow-up report No. 8 (25/03/2019)
Follow-up report No. 9 (06/04/2019)
Follow-up report No. 10 (13/04/2019)
Follow-up report No. 11 (20/04/2019)
Follow-up report No. 12 (27/04/2019)
Follow-up report No. 13 (04/05/2019)
Follow-up report No. 14 (11/05/2019)
Follow-up report No. 15 (20/05/2019)
Follow-up report No. 16 (01/06/2019)
Follow-up report No. 17 (08/06/2019)
Follow-up report No. 18 (15/06/2019)
Follow-up report No. 19 (22/06/2019)
Follow-up report No. 20 (30/06/2019)
Follow-up report No. 21 (06/07/2019)
Follow-up report No. 22 (13/07/2019)
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
  • Disinfection
  • Zoning
  • Stamping out
  • Official disposal of carcasses, by-products and waste
  • Quarantine
  • Screening
  • Surveillance within containment and/or protection zone
  • Surveillance outside containment and/or protection zone
  • 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.
Map of outbreak locations