Iran - 1 new outbreak of highly pathogenic avian influenza H5N8 in backyard poultry, Tabriz City, East Azarbayejan (OIE, March 18, 2019)

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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.

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