Highly pathogenic avian influenza,
Cambodia
Information received on 16/11/2015 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 Immediate notification
Date of start of the event 12/11/2015
Date of confirmation of the event 14/11/2015
Report date 16/11/2015
Date submitted to OIE 16/11/2015
Date event resolved 18/11/2015
Reason for notification Recurrence of a listed disease
Date of previous occurrence 20/03/2014
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
Related reports Immediate notification (16/11/2015)
Follow-up report No. 1 (30/11/2015)
New outbreaks (2)
Outbreak 1 (562/15 NaVRI) Chraneang, Prey Chruk, Puok, Siem Reap
Date of start of the outbreak 12/11/2015
Outbreak status Resolved (18/11/2015)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 4300 1000 1000 3300 0
Affected population Free ranging duck flock
Outbreak 2 (561/15 NaVRI) Dangkot Thnung, Takream, Banan, Battambang
Date of start of the outbreak 12/11/2015
Outbreak status Resolved (17/11/2015)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 4500 3540 3540 960 0
Affected population Free ranging duck flock
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 8800 4540 4540 4260 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 51.59% 51.59% 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 having been informed by the owners that their duck flocks were sick and were dying, the district and provincial veterinary services went there to investigate and took some samples (sick ducks), which were sent to NaVRI for testing. The result of test samples were confirmed positive with H5N1.
Control measures
Measures applied
  • Movement control inside the country
  • Disinfection / Disinfestation
  • Dipping / Spraying for control of vectors or parasites
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Stamping out
Diagnostic test results
Laboratory name and type Species Test Test date Result
National Veterinary Research Institute (NaVRI) (National laboratory) Birds anatomo-pathological examination 14/11/2015 Positive
National Veterinary Research Institute (NaVRI) (National laboratory) Birds real-time PCR 14/11/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations