Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Poland
Information received on 21/12/2020 from Dr Bogdan Konopka, Chief Veterinary Officer, Ministry of Agriculture and Rural Development, General Veterinary Inspectorate, Warszaw, Poland
Summary
Report type Follow-up report No. 1
Date of start of the event 08/12/2020
Date of confirmation of the event 09/12/2020
Report date 21/12/2020
Date submitted to OIE 21/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 07/01/2020
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (10/12/2020)
Follow-up report No. 1 (21/12/2020)
Follow-up report No. 2 (07/01/2021)
Follow-up report No. 3 (18/01/2021)
New outbreaks (3)
Outbreak 1 (2020/3) Gryfino, Gryfino, gryfinski (3206), Zachodnio-Pomorskie
Date of start of the outbreak 09/12/2020
Outbreak status Resolved (11/12/2020)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Bean Goose:Anser fabalis(Anatidae) 1 1 0 0
Affected population Serotype H5N8 was confirmed in tundra bean goose (Anser serrirostris) found on 9 December 2020 in gryfinski district.
Outbreak 2 (2020/4) Komilowo, Kobylnica, slupski (2212), Pomorskie
Date of start of the outbreak 16/12/2020
Outbreak status Resolved (17/12/2020)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae) 1 1 0 0
Affected population Serotype H5N8 was confirmed in swan found on 16 December 2020 on the protection area established in slupski district due to HPAI outbreak in poultry.
Outbreak 3 (2020/5) Kwakowo, Kobylnica, slupski (2212), Pomorskie
Date of start of the outbreak 16/12/2020
Outbreak status Resolved (17/12/2020)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Greylag Goose:Anser anser(Anatidae) 1 1 0 0
Affected population Serotype H5N8 was confirmed in goose found on 16 December 2020 on the protection area established in slupski district due to HPAI outbreak in poultry.
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Bean Goose:Anser fabalis(Anatidae) 1 1 0 0
Whooper Swan:Cygnus cygnus(Anatidae) 1 1 0 0
Greylag Goose:Anser anser(Anatidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Bean Goose:Anser fabalis(Anatidae) ** ** 100.00% **
Whooper Swan:Cygnus cygnus(Anatidae) ** ** 100.00% **
Greylag Goose:Anser anser(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) Bean Goose real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 11/12/2020 Positive
National Veterinary Research Institute (National laboratory) Greylag Goose real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 17/12/2020 Positive
National Veterinary Research Institute (National laboratory) Whooper Swan real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 17/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations