Bulgaria - 2 new outbreaks of highly pathogenic avian influenza H5 in backyard birds and farm, Dobric, Haskovo (OIE, October 22, 2017)

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Highly pathogenic avian influenza, Bulgaria

Information received on 22/10/2017 from Dr Damyan Iliev, Chief Veterinary Officer & Deputy Executive Director, Bulgarian Food Safety Agency, Ministry of Agriculture and Food, Sofia, Bulgaria

Summary Report type Immediate notification Date of start of the event 17/10/2017 Date of confirmation of the event 17/10/2017 Report date 22/10/2017 Date submitted to OIE 22/10/2017 Reason for notification Recurrence of a listed disease Date of previous occurrence 30/04/2017 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5 Nature of diagnosis Clinical, Laboratory (basic) This event pertains to a defined zone within the country

New outbreaks (2)

Outbreak 1 Stefanovo, DOBRIC Date of start of the outbreak 17/10/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 10465 418 418 10047 0

Outbreak 2 Uzundzhovo, HASKOVO Date of start of the outbreak 19/10/2017 Outbreak status Resolved (20/10/2017) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 148 84 84 64 0

Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 10613 502 502 10111 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 4.73% 4.73% 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 Screening Traceability Quarantine Official disposal of carcasses, by-products and waste Stamping out Control of wildlife reservoirs 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 National reference laboratory for avian influenza and Newcastle disease (National laboratory) Birds real-time PCR 17/10/2017 Positive National reference laboratory for avian influenza and Newcastle disease (National laboratory) Birds real-time PCR 19/10/2017 Positive

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

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=25082