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2021-3-4 17:59:19

OIE: Highly pathogenic avian influenza (H5N8), Poland
submited by kickingbird at Dec, 9, 2020 11:8 AM from OIE

Information received on 08/12/2020 from Dr Bogdan Konopka, Chief Veterinary Officer, Ministry of Agriculture and Rural Development, General Veterinary Inspectorate, Warszaw, Poland
Report type Immediate notification
Date of start of the event 03/12/2020
Date of confirmation of the event 04/12/2020
Report date 08/12/2020
Date submitted to OIE 08/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 13/05/2020
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 (2020/35) Komilowo, Kobylnica, slupski (2212), Pomorskie
Date of start of the outbreak 03/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 176871 6000 6000 0
Affected population The outbreak of highly pathogenic avian influenza of subtype H5N8 was confirmed in the commercial laying hens farm.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 176871 6000 6000 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 3.39% 3.39% 100.00% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Source of the outbreak(s) or origin of infection
Unknown or inconclusive
Control measures
Measures applied
Official destruction of animal products
Official disposal of carcasses, by-products and waste
Stamping out
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) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 04/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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