Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
United Kingdom
Information received on 18/01/2018 from Dr Nigel Gibbens, Chief Veterinary Officer, Department for Environment, Food and Rural Affairs, Department for Environment, Food and Rural Affairs, LONDON, United Kingdom
Summary
Report type Follow-up report No. 2
Date of start of the event 09/01/2018
Date of confirmation of the event 09/01/2018
Report date 17/01/2018
Date submitted to OIE 18/01/2018
Date event resolved 23/04/2018
Reason for notification New strain of a listed disease in the country
Causal agent Highly pathogenic influenza A virus
Serotype H5N6
Nature of diagnosis Clinical, Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (10/01/2018)
Follow-up report No. 1 (15/01/2018)
Follow-up report No. 2 (17/01/2018)
Follow-up report No. 3 (22/01/2018)
Follow-up report No. 4 (29/01/2018)
Follow-up report No. 5 (05/02/2018)
Follow-up report No. 6 (14/02/2018)
Follow-up report No. 7 (01/03/2018)
Follow-up report No. 8 (16/03/2018)
Follow-up report No. 9 (23/03/2018)
Follow-up report No. 10 (03/04/2018)
Follow-up report No. 11 (10/05/2018)
New outbreaks (1)
Outbreak 1 (WB AIV 2018/02) Warwickshire, England
Date of start of the outbreak 09/01/2018
Outbreak status Resolved (09/01/2018)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Herring Gull:Larus argentatus(Laridae) 1 1 0 0
Great black-backed Gull:Larus marinus(Laridae) 6 6 0 0
Great Crested Grebe:Podiceps cristatus(Podicipedidae) 1 1 0 0
Tufted Duck:Aythya fuligula(Anatidae) 5 5 0 0
Affected population 68 birds were found dead. Not all birds were tested, but these are representative species.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Herring Gull:Larus argentatus(Laridae) 1 1 0 0
Great black-backed Gull:Larus marinus(Laridae) 6 6 0 0
Great Crested Grebe:Podiceps cristatus(Podicipedidae) 1 1 0 0
Tufted Duck:Aythya fuligula(Anatidae) 5 5 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Herring Gull:Larus argentatus(Laridae) ** ** 100.00% **
Great black-backed Gull:Larus marinus(Laridae) ** ** 100.00% **
Great Crested Grebe:Podiceps cristatus(Podicipedidae) ** ** 100.00% **
Tufted Duck:Aythya fuligula(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
  • Contact with wild species
Epidemiological comments The virus is a reassortant between H5N8 HPAI circulating in Europe and a European N6. The second site relates to a large wild bird die-off at a gull roost.
Control measures
Measures applied
  • Official disposal of carcasses, by-products and waste
  • 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