OIE: Highly pathogenic avian influenza, Cambodia

Information received on 01/06/2012 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 27/05/2012
Date of first confirmation of the event 30/05/2012
Report date 01/06/2012
Date submitted to OIE 01/06/2012
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 07/11/2011
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Suspicion, Clinical, Laboratory (basic), Necropsy
This event pertains to the whole country

New outbreaks

Summary of outbreaks Total outbreaks: 1
Location(s)
  • KG. SPEU (Pring, Tuol Sala , Basedth )
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1304 564 564 740
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 43.25% 43.25% 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
  • Unknown or inconclusive
Epidemiological comments On 26 May 2012, after receiving information from Ministry of Health on a girl aged 13 living in Pring village who was reported dead and confirmed infected with H5N1, an investigation team from the National Veterinary Research Institute (NaVRI) of the Department of Animal Health and Production (DAHP) went to the village to investigate and take some samples from local chicken and ducks. Some samples were confirmed positive for HPAI H5N1.

Control measures

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

Diagnostic test results

Laboratory name and type National Veterinary Research Institute (NaVRI) (National laboratory)
Tests and results
Species Test Test date Result
Birds anatomo-pathological examination 28/05/2012 Doubtful (uncertain)
Birds real-time PCR 30/05/2012 Positive

Future Reporting

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