Highly pathogenic avian influenza,
Cambodia
Information received on 26/02/2014 from Dr Sen Sovann, Director General , Ministry of Agriculture, Forestry and Fisheries , General Directorate of Animal Health and Production (GDAHP), Phnom Penh, Cambodia
Summary
Report type Follow-up report No. 1
Date of start of the event 07/02/2014
Date of confirmation of the event 10/02/2014
Report date 26/02/2014
Date submitted to OIE 26/02/2014
Date event resolved 20/03/2014
Reason for notification Recurrence of a listed disease
Date of previous occurrence 18/08/2013
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to the whole country
Related reports Immediate notification (12/02/2014)
Follow-up report No. 1 (26/02/2014)
Follow-up report No. 2 (15/03/2014)
Follow-up report No. 3 (21/03/2014)
Follow-up report No. 4 (07/08/2014)
New outbreaks (2)
Outbreak 1 (100/14 NaVRI) Peam Lvea, Trapang Chau, Aoral, Kg. Speu
Date of start of the outbreak 18/02/2014
Outbreak status Resolved (25/02/2014)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 450 210 210 240 0
Affected population Backyard poultry
Outbreak 2 (101/14 NaVRI) Tuol Sangkae, Kampong Kong, Koh Thom, Kandal
Date of start of the outbreak 19/02/2014
Outbreak status Resolved (25/02/2014)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 250 200 200 50 0
Affected population Two duck flocks in two households.
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 700 410 410 290 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 58.57% 58.57% 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
  • Unknown or inconclusive
Epidemiological comments After receiving the report from farmers, the district and provincial veterinarians went there. They collected some samples from chicken and ducks and send them to the National Veterinary Research Institute (NaVRI). Results were positive for highly pathogenic avian influenza H5N1.
Control measures
Measures applied
  • Movement control inside the country
  • Disinfection / Disinfestation
  • Dipping / Spraying for control of vectors or parasites
  • 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 anatomo-pathological examination 24/02/2014 Positive
National Veterinary Research Institute (National laboratory) Birds real-time PCR 24/02/2014 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations