Iran - 2 new outbreaks of highly pathogenic avian influenza H5N8 in backyard birds, Gilan, West Azarbayejan (OIE, February 05, 2019)

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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.

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