Saudi Arabia - 1 new outbreak of highly pathogenic avian influenza H5N8 in birds in farm, Riyadh (OIE, February 4, 2020)

[Pathfinder]

Highly pathogenic avian influenza, Saudi Arabia

Information received on 04/02/2020 from Dr Sanad Alharbi, Director , Livestock Risk Assessment Department, Ministry of Environment, Water and Agriculture, Riyadh, Saudi Arabia

Summary Report type Immediate notification Date of start of the event 30/01/2020 Date of confirmation of the event 31/01/2020 Report date 04/02/2020 Date submitted to OIE 04/02/2020 Reason for notification Recurrence of a listed disease Date of previous occurrence 22/07/2018 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N8 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country

New outbreaks (1)

Outbreak 1 Sudair, Sudair, Riyadh, Ar Riyad Date of start of the outbreak 30/01/2020 Outbreak status Resolved (03/02/2020) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 408000 22700 22700 385300 0

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 408000 22700 22700 385300 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 5.56% 5.56% 100.00% 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

Control measures Measures applied Movement control inside the country Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Traceability Official disposal of carcasses, by-products and waste Stamping out 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 Veterinary Diagnostic Laboratory, Riyadh (National laboratory) Birds real-time PCR 31/01/2020 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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https://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=33155