OIE: Highly pathogenic avian influenza, Iran

Information received on 21/11/2016 from Dr Mehdi Khalaj, Head of IVO, Iran Veterinary Organization (IVO), Iran Veterinary Organization, Ministry of Jihad-e-Agriculture, Tehran, Iran

Summary

Report type

Immediate notification

Date of start of the event

14/11/2016

Date of confirmation of the event

19/11/2016

Report date

21/11/2016

Date submitted to OIE

21/11/2016

Reason for notification

New strain of a listed disease in the country

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5N8

Nature of diagnosis

Clinical, Laboratory (basic), Laboratory (advanced), Necropsy

This event pertains to

the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 2

Outbreak Location

  • TEHRAN ( Tohid Farm, Amirabad Tavanbakhshi, Malard Fatem2 Farm, Akhtarabad, Malard )

Total animals affected

Species

Susceptible

Cases

Deaths

Destroyed

Slaughtered

Birds

283461

60865

5583

277878

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

21.47%

1.97%

9.17%

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

1- The event was reported according to the Iran Passive surveillance in place
2- A post outbreak investigation to trace the source of infection is ongoing to detect the probable spread and circulation of this subtype.
3- Active surveillance is ongoing.

Control measures

Measures applied
  • Screening
  • Disinfection / Disinfestation
  • Quarantine
  • Stamping out
  • Official disposal of carcasses, by-products and waste
  • Surveillance within containment and/or protection zone
  • Control of wildlife reservoirs
  • Zoning
  • Vaccination prohibited
  • No treatment of affected animals

Measures to be applied
  • Surveillance outside containment and/or protection zone

Diagnostic test results

Laboratory name and type

Laboratory of Tehran Province ( Local laboratory )

Tests and results

Species

Test

Test date

Result

Birds

real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)

18/11/2016

Positive

Laboratory name and type

Central Veterinary Laboratory ( National laboratory )

Tests and results

Species

Test

Test date

Result