OIE: Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds), Iran

Information received on 05/02/2018 from Dr Alireza Rafiepoor, Head of Iran Veterinary Organization (IVO), Iran Veterinary Organization (IVO), Ministry of Jihad-e-Agriculture, Tehran, Iran

Summary

Report type	Immediate notification
Date of start of the event	31/01/2018
Date of confirmation of the event	04/02/2018
Report date	05/02/2018
Date submitted to OIE	05/02/2018
Reason for notification	New strain of a listed disease in the country
Causal agent	Highly pathogenic influenza A virus
Serotype	H5N6
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to	a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

GILAN ( Boujagh, Kiashahr, Kiashahr )

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Gadwall:Anatidae (Anas strepera)	50000	1300	1200	100	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Gadwall:Anatidae (Anas strepera)	2.60%	2.40%	92.31%	2.60%

* Removed from the susceptible population through death, destruction and/or slaughter;

Epidemiology

Source of the outbreak(s) or origin of infection

Contact with wild species

Epidemiological comments

On January 31st unexpected mortality was reported in Bojagh, Kiashar area, in the north of Iran, where migratory birds spend their wintering season. On February 4th, the Iran veterinary national reference laboratory confirmed HPAI virus H5N6 in the samples collected from the sick and dead birds.
Iran Veterinary Organization (IVO) will continue to monitor the situation in the area closely and to advice poultry flock owners, including owners of backyard poultry, to remain vigilant to the threat of avian influenza and implement strategic, ongoing biosecurity measures – in particular feeding birds indoors or under cover, and discouraging wild birds from the poultry premises.

Control measures

Measures applied	Surveillance within containment and/or protection zone Screening Quarantine Official disposal of carcasses, by-products and waste Control of wildlife reservoirs Selective killing and disposal Zoning Disinfection Vaccination permitted (if a vaccine exists) No treatment of affected animals
Measures to be applied	Surveillance outside containment and/or protection zone

Diagnostic test results

Laboratory name and type

Gilan Veterinary Laboratory ( Local laboratory )

Tests and results

Species	Test	Test date	Result
Gadwall	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	01/02/2018	Positive

Laboratory name and type