OIE: Highly pathogenic avian influenza, Thailand

Information received on 10/11/2008 from Dr Sakchai Sriboonsue, Director General , Department of Livestock Development, Ministry of Agriculture and Cooperatives , Bangkok, Thailand

Summary

Report type Immediate notification
Start date 27/10/2008
Date of first confirmation of the event 09/11/2008
Report date 10/11/2008
Date submitted to OIE 10/11/2008
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 13/02/2008
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to the whole country

New outbreaks

Outbreak 1 Village No 5, TongSaLeam, TongSaLeam, SUKHOTHAI
Date of start of the outbreak 27/10/2008
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 17 5 5 12 0
Affected population native chickens
Summary of outbreaks Total outbreaks: 1
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 29.41% 29.41% 100.00% 100.00%

* Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology

Source of the outbreak(s) or origin of infection
  • Pending investigation
Epidemiological comments - The native chickens at the affected house were firstly found dead on 27 October 2008 from Escherichia coli infection and intestinal parasitic infestation.
- There was only one household affected with 5 dead chickens in several days in this village.
- The samples were later submitted to the National Institute of Animal Health (the National Veterinary Laboratory) in Bangkok for confirmation.

Control measures

Measures applied
  • Stamping out
  • Quarantine
  • Movement control inside the country
  • Screening
  • Zoning
  • Disinfection of infected premises/establishment(s)
  • Dipping / Spraying
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures

Diagnostic test results

Laboratory name and type National Institute of Animal Health (National laboratory)
Tests and results
Species Test Test date Result
Birds virus isolation 09/11/2008 Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.

Map of outbreak locations

Location of current outbreaks