Highly pathogenic avian influenza,
Cambodia
Information received on 27/01/2013 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
Date of start of the event 09/01/2013
Date of pre-confirmation of the event 24/01/2013
Report date 27/01/2013
Date submitted to OIE 27/01/2013
Date event resolved 23/02/2013
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 11/06/2012
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Suspicion, Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to the whole country
Related reports Immediate notification (27/01/2013)
Follow-up report No. 1 (30/01/2013)
Follow-up report No. 2 (22/02/2013)
Follow-up report No. 3 (12/03/2013)
Follow-up report No. 4 (15/03/2013)
New outbreaks (1)
Outbreak 1 (38/13 NaVRI) Snau, Snau, Prey Kambas, TAKEO
Date of start of the outbreak 09/01/2013
Outbreak status Resolved (27/01/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 7393 2304 2304 4743 0
Affected population Backyard poultry started being sick and dying in the village from 9 January 2013.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 7393 2304 2304 4743 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 31.16% 31.16% 100.00% 95.32%
*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 On 22 January 2013, after receiving information from Ministry of Health on a girl aged 17 living in Snau 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 Species Test Test date Result
National Veterinary Research Institute (National laboratory) Birds inoculation test 24/01/2013 Positive
National Veterinary Research Institute (National laboratory) Birds parasitological examination 24/01/2013 Positive
National Veterinary Research Institute (National laboratory) Birds real-time PCR 24/01/2013 Positive
Pasteur Institute of Cambodia (Regional Reference Laboratory) Birds real-time PCR 24/01/2013 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations