Poland - 1 new outbreak of highly pathogenic avian influenza H5N5 in swans, Dolnoslaskie (OIE, February 3, 2017)

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

Information received on 03/02/2017 from Dr Krzysztof Jazdzewski, Deputy Chief Veterinary Officer, Ministry of Agriculture and Rural Development, General Veterinary Inspectorate, VARSOVIE, Poland

Summary Report type Immediate notification Date of start of the event 27/01/2017 Date of confirmation of the event 31/01/2017 Report date 03/02/2017 Date submitted to OIE 03/02/2017 Reason for notification New strain of a listed disease in the country Causal agent Highly pathogenic influenza A virus Serotype H5N5 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country

New outbreaks (1)

Outbreak 1 Msciwojow, Msciwojow, Jaworski, DOLNOSLASKIE Date of start of the outbreak 27/01/2017 Outbreak status Resolved (03/02/2017) Epidemiological unit Not applicable Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Mute Swan:Cygnus olor(Anatidae) 20 20 0 0

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Mute Swan:Cygnus olor(Anatidae) 20 20 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Mute Swan:Cygnus olor(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 Unknown or inconclusive

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 National Veterinary Research Institute (National laboratory) Mute Swan real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 31/01/2017 Positive National Veterinary Research Institute (National laboratory) Mute Swan real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 31/01/2017 Positive National Veterinary Research Institute (National laboratory) Mute Swan real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 31/01/2017 Positive National Veterinary Research Institute (National laboratory) Mute Swan real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 31/01/2017 Positive

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

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