Highly pathogenic avian influenza,
Information received on 18/12/2017 from Dr Sen Sovann, Director General , Ministry of Agriculture, Forestry and Fisheries , General Directorate of Animal Health and Production (GDAHP), Phnom Penh, Cambodia
Report type Follow-up report No. 1
Date of start of the event 22/11/2017
Date of confirmation of the event 06/12/2017
Report date 18/12/2017
Date submitted to OIE 18/12/2017
Date event resolved 24/03/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 31/01/2017
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 (09/12/2017)
Follow-up report No. 1 (18/12/2017)
Follow-up report No. 2 (30/12/2017)
Follow-up report No. 3 (16/01/2018)
Follow-up report No. 4 (09/02/2018)
Follow-up report No. 5 (13/02/2018)
Follow-up report No. 6 (20/02/2018)
Follow-up report No. 7 (04/03/2018)
Follow-up report No. 8 (28/03/2018)
Follow-up report No. 9 (04/07/2018)
New outbreaks (1)
Outbreak 1 (557/17 NAHPRI) Ampil Village, Samproch, Staung, Kg. Thom
Date of start of the outbreak 08/12/2017
Outbreak status Resolved (16/12/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 5000 4000 4000 1000 0
Affected population A duck flock with 5,000 ducks; 4,000 ducks were sick. On 8 December 2017, three samples from sick ducks were collected by a district veterinarian and sent to the National Animal Health and Production Research Institute for confirmation. All susceptible birds in the infected premise have been culled.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 5000 4000 4000 1000 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 80.00% 80.00% 100.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Movement control inside the country
  • Stamping out
  • Disinfection
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Surveillance outside containment and/or protection zone
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations