Czech Republic - 2 new outbreaks of highly pathogenic avian influenza H5N8 in ducks found dead in forests in Vysocina (OIE, February 27, 2017)

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

Information received on 27/02/2017 from Dr Zbyněk Semerád, Director General, State Veterinary Administration, Veterinary Administration, Prague, Czech Republic

Summary Report type Follow-up report No. 7 Date of start of the event 04/01/2017 Date of confirmation of the event 04/01/2017 Report date 27/02/2017 Date submitted to OIE 27/02/2017 Reason for notification First occurrence of a listed disease Manifestation of disease Clinical disease Causal agent Highly pathogenic influenza A virus Serotype H5N8 Nature of diagnosis Clinical, Laboratory (basic), Necropsy This event pertains to a defined zone within the country Related reports Immediate notification (05/01/2017) Follow-up report No. 1 (17/01/2017) Follow-up report No. 2 (25/01/2017) Follow-up report No. 3 (29/01/2017) Follow-up report No. 4 (01/02/2017) Follow-up report No. 5 (10/02/2017) Follow-up report No. 6 (17/02/2017) Follow-up report No. 7 (27/02/2017)

New outbreaks (2)

Outbreak 1 Bolechov, Pelhrimov, VYSOCINA Date of start of the outbreak 24/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Forest Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Mallard:Anas platyrhynchos(Anatidae) 1 1 0 0 Affected population One mallard found dead.

Outbreak 2 Havlíckuv Brod, Havlíckuv Brod, VYSOCINA Date of start of the outbreak 24/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Forest Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Mallard:Anas platyrhynchos(Anatidae) 1 1 0 0 Affected population One mallard found dead.

Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Mallard:Anas platyrhynchos(Anatidae) 2 2 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Mallard:Anas platyrhynchos(Anatidae) ** ** 100.00% ** *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 Contact with wild species

Control measures Measures applied Control of wildlife reservoirs 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 State Veterinary Institute (SVI), Prague (National laboratory) Mallard reverse transcription - polymerase chain reaction (RT-PCR) 24/02/2017 Positive State Veterinary Institute (SVI), Prague (National laboratory) Mallard reverse transcription - polymerase chain reaction (RT-PCR) 24/02/2017 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/wa...reportid=23027