Low pathogenic avian influenza (poultry),
United Kingdom
Information received on 02/11/2020 from Dr Christine Middlemiss, Chief Veterinary Officer, DEFRA, Department for Environment,Food and Rural Affairs , London, United Kingdom
Summary
Report type Immediate notification
Date of start of the event 30/10/2020
Date of confirmation of the event 01/11/2020
Report date 02/11/2020
Date submitted to OIE 02/11/2020
Reason for notification New strain of a listed disease in the country
Causal agent Low pathogenic avian influenza virus
Serotype H5N2
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (02/11/2020)
Follow-up report No. 1 (10/11/2020)
New outbreaks (1)
Outbreak 1 (AIV 2020 / 01 ) DEAL, ENGLAND, England
Date of start of the outbreak 30/10/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 556 6 2 554 0
Affected population Small scale mixed poultry farm not involved in international trade of live poultry or poultry products. Follow-up report update of numbers of animals and specific species found on the premises: chickens: 319, ducks: 108, geese: 34, guinea fowls: 4, black swans: 2, rheas: 2, pigeons: 69 and canaries: 16.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 556 6 2 554 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 1.08% 0.36% 33.33% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Contact with wild species
Epidemiological comments Ongoing epidemiological investigation.
Control measures
Measures applied
  • Movement control inside the country
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Surveillance outside containment and/or protection zone
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result
Animal Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) Birds gene sequencing 01/11/2020 Positive
Animal Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) Birds gene sequencing 01/11/2020 Positive
Animal Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) Birds polymerase chain reaction (PCR) 31/10/2020 Positive
Animal Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) Birds polymerase chain reaction (PCR) 31/10/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations