OIE: Highly pathogenic avian influenza, United Kingdom

Information received on 03/02/2007 from Mrs Debby Reynolds, Chief Veterinary Officer, Department for Environment, Food and Rural Affairs (DEFRA), Director General for Animal Health & Welfare, London, United Kingdom

Summary

Report type Immediate notification
Start date 27/01/2007
Date of confirmation of event 03/02/2007
Report date 03/02/2007
Date submitted to OIE 05/02/2007
Reason for notification Reoccurrence of listed disease
Date of previous occurrence 03/2006
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
Report pertains to Entire country

New Outbreaks

Summary of outbreaks Total outbreaks: 1
Outbreak Location
  • ENGLAND (Upper Holton, Suffolk)
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 159000 7000 2500 4500 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible removed*
Birds 4.40% 1.57% 35.71% 4.40%
* Removed from the susceptible population either through death, destruction or slaughter

Epidemiology

Source of infection
  • Unknown or inconclusive

Control measures

Measures already applied
  • Movement control inside the country
  • Screening
  • Disinfection of infected premises/establishment(s)
  • Stamping out
  • Zoning
  • Vaccination permitted
  • No treatment of affected animals
Measures to be applied
  • None specified

Diagnostic test results

Laboratory name and type VLA Weybridge, New Haw, Addlestone, Surrey, UK (OIE’s Reference Laboratory)
Tests and results
Species Test Test date Result
Birds nucleotide sequencing 03/02/2007 Positive
Birds real-time PCR 03/02/2007 Positive