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

Summary

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

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, 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.