Highly pathogenic avian influenza,
Cambodia
Information received on 22/02/2013 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 Follow-up report No. 2
Date of start of the event 09/01/2013
Date of pre-confirmation of the event 24/01/2013
Report date 22/02/2013
Date submitted to OIE 22/02/2013
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 (3)
Outbreak 1 (130/13 NaVRI) Kbal Au, Mesorchrey, Steung Strang, KG. CHAM
Date of start of the outbreak 18/02/2013
Outbreak status Resolved (19/02/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 550 227 227 323 0
Affected population Backyard poultry
Outbreak 2 (127/13 NaVRI) Talay, Kor, Prey Chhor, KG. CHAM
Date of start of the outbreak 18/02/2013
Outbreak status Resolved (19/02/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1006 185 185 821 0
Affected population Backyard poultry
Outbreak 3 (132/13 NaVRI) Sro Ngae, Beung Nimol, Chhuk, KAMPOT
Date of start of the outbreak 19/02/2013
Outbreak status Resolved (21/02/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1076 442 442 634 0
Affected population Backyard poultry
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 2632 854 854 1778 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 32.45% 32.45% 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 reported by farmers that their poultry was sick and was dying, the district and provincial veterinary services went there to check and took some samples (sick poultry) which were sent to NaVRI. The samples were confirmed positive for H5N1.
Control measures
Measures applied
  • Stamping out
  • Movement control inside the country
  • Disinfection of infected premises/establishment(s)
  • Dipping / Spraying
  • 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 (NaVRI) (National laboratory) Birds anatomo-pathological examination 18/02/2013 Positive
National Veterinary Research Institute (NaVRI) (National laboratory) Birds real-time PCR 18/02/2013 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations