OIE: Highly pathogenic avian influenza, Cambodia

Information received on 07/02/2011 from Dr Sen Sovann, Deputy Secretary General , Ministry of Agriculture, Forestry and Fisheries , Ministry of Agriculture, Forestry and Fisheries , Phnom Penh, Cambodia

Summary

Report type Immediate notification
Start date 27/01/2011
Date of first confirmation of the event 29/01/2011
Report date 07/02/2011
Date submitted to OIE 07/02/2011
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 01/10/2010
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Suspicion, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country

New outbreaks

Summary of outbreaks Total outbreaks: 1
Location(s)
  • KANDAL (Prek Doung, Kampong Svay, Kien Svay)
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 232 48 48 174 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 20.69% 20.69% 100.00% 95.69%

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

Epidemiology

Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments The investigation team from the National Veterinary Research Institute (NaVRI) of the Department of Animal Health and Production conducted an investigation in the village and carried out surveillance in neighbouring villages from 31 January to 4 February 2011. Culling of poultry started on 30 January 2011 (174 chickens culled).

Control measures

Measures applied
  • Movement control inside the country
  • Disinfection of infected premises/establishment(s)
  • Modified stamping out
  • No vaccination
  • No treatment of affected animals
Measures to be applied
  • No other measures

Diagnostic test results

Laboratory name and type National Veterinary Research Institute (NaVRI) of Department of Animal Health and Production (National laboratory)
Tests and results
Species Test Test date Result
Birds inoculation test 29/01/2011 Positive
Laboratory name and type Pasteur Institute in Cambodia (Regional Reference Laboratory)
Tests and results
Species Test Test date Result
Birds real-time PCR 31/01/2011 Positive

Future Reporting

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