Highly pathogenic avian influenza,
Information received on 04/03/2018 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. 7
Date of start of the event 22/11/2017
Date of confirmation of the event 06/12/2017
Report date 04/03/2018
Date submitted to OIE 04/03/2018
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 (advanced)
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 (128/18 NAHPRI) Tropang Raing Thmey Village, Khmourgn, Sen Sok, Phnom Penh
Date of start of the outbreak 15/02/2018
Outbreak status Resolved (22/02/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 98 20 20 78 0
Affected population On February 15th, 2018, a farm owner in Tropang raing Thmey village (Sankat Thmourgn, Khan Sen Sok) reported morbidity and mortality in chickens to Institute Pasteur of Cambodia (IPC). IPC in collaboration with General Directorate for Animal Health and Production (GDAHP) collected six samples from chickens which had died suddenly and sent them to IPC for laboratory testing. On January 16th, 2018, the laboratory confirmed positive results for influenza A/H5N1. 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 98 20 20 78 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 20.41% 20.41% 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
  • Surveillance within containment and/or protection zone
  • Stamping out
  • Disinfection
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Surveillance outside containment and/or protection zone
Diagnostic test results
Laboratory name and type Species Test Test date Result
Institute Pasteur of Cambodia (Regional Reference Laboratory) Birds real-time PCR 16/02/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations