Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Netherlands
Information received on 27/11/2020 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. 4
Date of start of the event 17/10/2020
Date of confirmation of the event 20/10/2020
Report date 27/11/2020
Date submitted to OIE 27/11/2020
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 (11)
Outbreak 1 Workum, Friesland
Date of start of the outbreak 03/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Barnacle Goose:Branta leucopsis(Anatidae) 3 3 0 0
Affected population On November 3th three barnacle geese (Branta leucopsis) were found dead in a wetland area. On November 17th the national reference laboratory confirmed highly pathogenic avian influenza subtype H5N8 in the sample from the barnacle geese.
Outbreak 2 Landerum, Friesland
Date of start of the outbreak 03/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Barnacle Goose:Branta leucopsis(Anatidae) 13 13 0 0
Affected population On November 3th, 13 barnacle geese (Branta leucopsis) were found dead in a wetland area. On November 17th the national reference laboratory confirmed highly pathogenic avian influenza subtype H5N8 in the sample from the barnacle geese.
Outbreak 3 Zoeterwoude, Zuid-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
Mute Swan:Cygnus olor(Anatidae) 4 4 0 0
Affected population On November 9th, four mute swans (Cygnus olor) were found dead in a wetland area. On November 18th the national reference laboratory confirmed highly pathogenic avian influenza subtype H5N8 in the sample from mute swans.
Outbreak 4 Utrecht, Utrecht
Date of start of the outbreak 11/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 2 2 0 0
Affected population On November 11th two buzzards (Buteo buteo) were found dead in a wetland area. On November 17th the national reference laboratory confirmed highly pathogenic avian influenza subtype H5N8 in the sample from the buzzard.
Outbreak 5 Purmerend, Noord-Holland
Date of start of the outbreak 11/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Phasianidae (unidentified):Phasianidae (incognita)(Phasianidae) 3 3 0 0
Affected population Several captive birds tested positive for highly pathogenic avian influenza subtype H5N8 on 17th November
Outbreak 6 Grou, Friesland
Date of start of the outbreak 12/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Muscovy Duck:Cairina moschata(Anatidae) 3 3 0 0
Affected population Three muscovy ducks(Cairina moschata) tested positive for highly pathogenic avian influenza subtype H5N8 on 17th November
Outbreak 7 Wons, Friesland
Date of start of the outbreak 12/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Barnacle Goose:Branta leucopsis(Anatidae) 1 1 0 0
Muscovy Duck:Cairina moschata(Anatidae) 1 1 0 0
Affected population One muscovy duck (Cairina moschata) and one barnacle goose (Branta leucopsis) tested positive for highly pathogenic avian influenza subtype H5N8.
Outbreak 8 Oud Gastel, Noord-Brabant
Date of start of the outbreak 12/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0
Affected population On November 12th one buzzard (Buteo buteo) was found dead in a wetland area. On November 17th the national reference laboratory confirmed highly pathogenic avian influenza subtype H5N8 in the sample from the buzzard.
Outbreak 9 Zierikzee, Zeeland
Date of start of the outbreak 13/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Barnacle Goose:Branta leucopsis(Anatidae) 3 3 0 0
Affected population On November 13th three barnacle geese (Branta leucopsis) were found dead in a wetland area. On November 19th the national reference laboratory confirmed highly pathogenic avian influenza subtype H5N8 in the sample from the barnacle geese
Outbreak 10 Oudewater, Utrecht
Date of start of the outbreak 22/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Indian Peafowl:Pavo cristatus(Phasianidae) 1 1 1 0 0
Phasianidae (unidentified):Phasianidae (incognita)(Phasianidae) 23 14 7 16 0
Affected population Several Phasianidae and one Indian peafowl (Pavo cristatus) tested positive for highly pathogenic avian influenza subtype H5N8.
Outbreak 11 Witmarsum, Friesland
Date of start of the outbreak 24/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 3 3 0 0
Affected population On November 24th three mute swans (Cygnus olor) were found dead in a wetland area. On November 26th the national reference laboratory confirmed highly pathogenic avian influenza subtype H5N8 in the sample from the Cygnus olor
Summary of outbreaks Total outbreaks: 11
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Barnacle Goose:Branta leucopsis(Anatidae) 20 20 0 0
Mute Swan:Cygnus olor(Anatidae) 7 7 0 0
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 3 3 0 0
Phasianidae (unidentified):Phasianidae (incognita)(Phasianidae) 23 17 10 16 0
Muscovy Duck:Cairina moschata(Anatidae) 4 4 0 0
Indian Peafowl:Pavo cristatus(Phasianidae) 1 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Barnacle Goose:Branta leucopsis(Anatidae) ** ** 100.00% **
Mute Swan:Cygnus olor(Anatidae) ** ** 100.00% **
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) ** ** 100.00% **
Phasianidae (unidentified):Phasianidae (incognita)(Phasianidae) ** ** 58.82% **
Muscovy Duck:Cairina moschata(Anatidae) ** ** 100.00% **
Indian Peafowl:Pavo cristatus(Phasianidae) 100.00% 100.00% 100.00% 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