OIE: Highly pathogenic avian influenza, Iran

Information received on 05/02/2019 from Dr Alireza Rafiepoor, Head of Iran Veterinary Organization (IVO), Iran Veterinary Organization (IVO), Ministry of Jihad-e-Agriculture, Tehran, Iran
Summary
Report type Follow-up report No. 6 (Final report)
Date of start of the event 24/12/2018
Date of confirmation of the event 24/12/2018
Report date 05/02/2019
Date submitted to OIE 05/02/2019
Date event resolved 28/01/2019
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), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (05/01/2019)
Follow-up report No. 1 (12/01/2019)
Follow-up report No. 2 (18/01/2019)
Follow-up report No. 3 (26/01/2019)
Follow-up report No. 4 (25/01/2019)
Follow-up report No. 5 (02/02/2019)
Follow-up report No. 6 (05/02/2019)
New outbreaks (2)
Outbreak 1 Iishliki, Gilan
Date of start of the outbreak 25/01/2019
Outbreak status Resolved (27/01/2019)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 315 315 24 291 0
Outbreak 2 Hasel Ghopi Afshar, West Azarbayejan
Date of start of the outbreak 26/01/2019
Outbreak status Resolved (28/01/2019)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 190 190 7 183 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 505 505 31 474 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% 6.14% 6.14% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
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, these new outbreaks were 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
Diagnostic test results
Laboratory name and type Species Test Test date Result
Provincial Veterinary Laboratory of Gillan (Local laboratory) Birds real-time PCR 25/01/2019 Positive
Provincial Veterinary Laboratory of West Azarbayejan (Local laboratory) Birds real-time PCR 26/01/2019 Positive
Central Veterinary Laboratory of Iran Veterinary Organization (National laboratory) Birds real-time PCR 25/01/2019 Positive
Central Veterinary Laboratory of Iran Veterinary Organization (National laboratory) Birds real-time PCR 31/01/2019 Positive
Provincial Veterinary Laboratory of Qazvin (National laboratory) Birds real-time PCR 22/01/2019 Positive
Future Reporting
The event is resolved. No more reports will be submitted.