Bulgaria - 1 new outbreak of highly pathogenic avian influenza H5 in birds in farm, Lovech (OIE, March 13, 2019)

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Highly pathogenic avian influenza, Bulgaria

Information received on 13/03/2019 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 13/03/2019 Date of confirmation of the event 13/03/2019 Report date 13/03/2019 Date submitted to OIE 13/03/2019 Reason for notification Recurrence of a listed disease Date of previous occurrence 17/12/2018 Manifestation of disease Sub-clinical infection Causal agent Highly pathogenic avian influenza virus Serotype H5 Nature of diagnosis Laboratory (basic) This event pertains to a defined zone within the country

New outbreaks (1)

Outbreak 1 Lisets, Lovech, Lovec Date of start of the outbreak 13/03/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 3200 20 0

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 3200 20 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 0.63% 0.00% 0.00% ** *Removed from the susceptible population through death, destruction and/or slaughter **Not calculated because of missing information

Epidemiology Source of the outbreak(s) or origin of infection Unknown or inconclusive

Control measures Measures applied Screening Traceability Zoning Disinfection Vaccination permitted (if a vaccine exists) No treatment of affected animals Measures to be applied Official disposal of carcasses, by-products and waste Stamping out

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 13/03/2019 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=29840