Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Netherlands
Information received on 23/12/2020 from Dr Christianne Bruschke, Chief Veterinary Officer , Agriculture, Nature and Food Quality, Ministry of Agriculture, Nature and Food Quality, The Hague, Netherlands
Summary
Report type Follow-up report No. 8
Date of start of the event 17/10/2020
Date of confirmation of the event 20/10/2020
Report date 23/12/2020
Date submitted to OIE 23/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 28/09/2018
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (23/10/2020)
Follow-up report No. 1 (07/11/2020)
Follow-up report No. 2 (13/11/2020)
Follow-up report No. 3 (17/11/2020)
Follow-up report No. 4 (27/11/2020)
Follow-up report No. 5 (07/12/2020)
Follow-up report No. 6 (09/12/2020)
Follow-up report No. 7 (14/12/2020)
Follow-up report No. 8 (23/12/2020)
Follow-up report No. 9 (04/01/2021)
New outbreaks (4)
Outbreak 1 Goingarijp, Friesland
Date of start of the outbreak 04/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Eurasian Wigeon:Anas penelope(Anatidae) 2 2 0 0
Affected population On november 4th two Eurasian wigeons (Mareca /Anas penelope) were found dead in a wetland area. On November 5th the national reference laboratory confirmed highly pathogenic avian influenza H5 in the sample from the Eurasian wigeon (Mareca /Anas penelope).
Outbreak 2 Harlingen, Friesland
Date of start of the outbreak 04/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Greylag Goose:Anser anser(Anatidae) 2 2 0 0
Affected population On November 4th two Geylag geese (Anser anser) were found dead in a wetland area. On November 5th the national reference laboratory confirmed highly pathogenic avian influenza H5 in the sample from the Geylag Goose (Anser answer).
Outbreak 3 Vinkeveen, Utrecht
Date of start of the outbreak 04/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Greylag Goose:Anser anser(Anatidae) 1 1 0 0
Affected population On november 4th one Geylag Goose (Anser anser) was found dead in a wetland area. On November 5th the national reference laboratory confirmed highly pathogenic avian influenza H5 in the sample from the Geylag Goose (Anser anser).
Outbreak 4 Schagerbrug, Noord-Holland
Date of start of the outbreak 09/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Greylag Goose:Anser anser(Anatidae) 2 2 0 0
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Affected population On november 9th two Geylag Geese (Anser anser) and one mute swan (Cygnus olor) were found dead in a wetland area. On November 17th the national reference laboratory confirmed highly pathogenic avian influenza H5 in the sample from the Geylag Goose (Anser anser) and the mute swan (Cygnus olor).
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Eurasian Wigeon:Anas penelope(Anatidae) 2 2 0 0
Greylag Goose:Anser anser(Anatidae) 5 5 0 0
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Eurasian Wigeon:Anas penelope(Anatidae) ** ** 100.00% **
Greylag Goose:Anser anser(Anatidae) ** ** 100.00% **
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
  • 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