Highly pathogenic avian influenza,
Poland
Information received on 26/11/2020 from Dr Bogdan Konopka, Chief Veterinary Officer, Ministry of Agriculture and Rural Development, General Veterinary Inspectorate, Warszaw, Poland
Summary
Report type Immediate notification
Date of start of the event 23/11/2020
Date of confirmation of the event 24/11/2020
Report date 26/11/2020
Date submitted to OIE 26/11/2020
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
Related reports Immediate notification (26/11/2020)
Follow-up report No. 1 (03/12/2020)
Follow-up report No. 2 (08/12/2020)
Follow-up report No. 3 (21/12/2020)
Follow-up report No. 4 (28/12/2020)
Follow-up report No. 5 (07/01/2021)
Follow-up report No. 6 (13/01/2021)
Follow-up report No. 7 (19/01/2021)
New outbreaks (1)
Outbreak 1 (2020/33) Wroniawy, Wolsztyn, wolsztynski (3029), Wielkopolskie
Date of start of the outbreak 23/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 940261 193817 21473 918788 0
Affected population The outbreak of HPAI of serotype H5N8 was confirmed in the commercial farm with laying hens.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 940261 193817 21473 918788 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 20.61% 2.28% 11.08% 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
  • Traceability
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Control of wildlife reservoirs
  • Zoning
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations