Belgium - 1 new outbreak of highly pathogenic avian influenza H5N8 in birds, Baisieux, Hainaut (OIE, June 19, 2017)

[Pathfinder]

Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds), Belgium

Information received on 19/06/2017 from Dr Jean-Fran?ois Heymans, Director, Animal Health and Safety of Products of Animal Origin, Federal Agency for the Safety of the Food Chain (FASFC), Bruxelles, Belgium

Summary Report type Follow-up report No. 2 Date of start of the event 22/05/2017 Date of confirmation of the event 01/06/2017 Report date 19/06/2017 Date submitted to OIE 19/06/2017 Reason for notification Recurrence of a listed disease Date of previous occurrence 28/03/2017 Manifestation of disease Clinical disease Causal agent Highly pathogenic influenza A virus Serotype H5N8 Nature of diagnosis Clinical, Laboratory (advanced), Necropsy This event pertains to a defined zone within the country Related reports Immediate notification (02/06/2017) Follow-up report No. 1 (15/06/2017) Follow-up report No. 2 (19/06/2017)

New outbreaks (1)

Outbreak 1 Baisieux, HAINAUT Date of start of the outbreak 16/06/2017 Outbreak status Resolved (19/06/2017) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 26 21 21 5 0

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 26 21 21 5 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 80.77% 80.77% 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 Introduction of new live animals

Control measures Measures applied Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Traceability Official destruction of animal products Official disposal of carcasses, by-products and waste Stamping out Control of wildlife reservoirs Zoning Vaccination prohibited No treatment of affected animals Measures to be applied Disinfection

Diagnostic test results Laboratory name and type Species Test Test date Result Veterinary and Agrochemical Research Centre (CERVA) (National laboratory) Birds nucleotide sequencing 16/06/2017 Positive Veterinary and Agrochemical Research Centre (CERVA) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 14/06/2017 Positive Veterinary and Agrochemical Research Centre (CERVA) (National laboratory) Birds virus isolation 14/06/2017 Positive Veterinary and Agrochemical Research Centre (CERVA) (National laboratory) Birds virus isolation 15/06/2017 Positive Veterinary and Agrochemical Research Centre (CERVA) (National laboratory) Birds virus isolation 16/06/2017 Positive Veterinary and Agrochemical Research Centre (CERVA) (National laboratory) Birds virus isolation 12/06/2017 Negative

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

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