Poland - 5 new outbreaks of highly pathogenic avian influenza H5N8 in backyard birds and farms (OIE, February 14, 2017)

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Highly pathogenic avian influenza, Poland

Information received on 14/02/2017 from Dr Krzysztof Jazdzewski, Deputy Chief Veterinary Officer, Ministry of Agriculture and Rural Development, General Veterinary Inspectorate, VARSOVIE, Poland

Summary Report type Follow-up report No. 24 Date of start of the event 28/10/2016 Date of confirmation of the event 05/11/2016 Report date 14/02/2017 Date submitted to OIE 14/02/2017 Reason for notification New strain of a listed disease in the country Causal agent Highly pathogenic avian influenza virus Serotype H5N8 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (07/11/2016) Follow-up report No. 1 (15/11/2016) Follow-up report No. 2 (18/11/2016) Follow-up report No. 3 (05/12/2016) Follow-up report No. 4 (14/12/2016) Follow-up report No. 5 (16/12/2016) Follow-up report No. 6 (19/12/2016) Follow-up report No. 7 (22/12/2016) Follow-up report No. 8 (23/12/2016) Follow-up report No. 9 (27/12/2016) Follow-up report No. 10 (28/12/2016) Follow-up report No. 11 (09/01/2017) Follow-up report No. 12 (12/01/2017) Follow-up report No. 13 (18/01/2017) Follow-up report No. 14 (18/01/2017) Follow-up report No. 15 (20/01/2017) Follow-up report No. 16 (25/01/2017) Follow-up report No. 17 (26/01/2017) Follow-up report No. 18 (31/01/2017) Follow-up report No. 19 (01/02/2017) Follow-up report No. 20 (03/02/2017) Follow-up report No. 21 (07/02/2017) Follow-up report No. 22 (08/02/2017) Follow-up report No. 23 (09/02/2017) Follow-up report No. 24 (14/02/2017)

New outbreaks (5)

Outbreak 1 Witobel, Steszew, Poznanski, WIELKOPOLSKIE Date of start of the outbreak 08/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 98222 300 300 97922 0

Outbreak 2 Piotrkowiczki, Wisznia Mala, Trzebnicki, DOLNOSLASKIE Date of start of the outbreak 08/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 76738 11743 11743 64995 0

Outbreak 3 Chruszczobrod, Lazy, Zawiercianski, SLASKIE Date of start of the outbreak 09/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 105 42 42 63 0

Outbreak 4 Sokolowice, Olesnica, Olesnicki, DOLNOSLASKIE Date of start of the outbreak 10/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 92714 100 100 92614 0

Outbreak 5 Witobel, Steszew, Poznanski, WIELKOPOLSKIE Date of start of the outbreak 11/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 52916 100 100 52816 0

Summary of outbreaks Total outbreaks: 5 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 320695 12285 12285 308410 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 3.83% 3.83% 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 Screening Disinfection / Disinfestation Traceability Surveillance outside containment and/or protection zone Stamping out Official destruction of animal products Official disposal of carcasses, by-products and waste Surveillance within containment and/or protection zone Zoning 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) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 09/02/2017 Positive National Veterinary Research Institute (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 09/02/2017 Positive National Veterinary Research Institute (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 10/02/2017 Positive National Veterinary Research Institute (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 10/02/2017 Positive National Veterinary Research Institute (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 12/02/2017 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=22832