Low pathogenic avian influenza (poultry),
Cambodia
Information received on 22/03/2019 from Mr Phannara Tan, Director General, General Directorate of Animal Health and Production, Ministry of Agriculture, Forestry and Fisheries, Phnom Penh, Cambodia
Summary
Report type Immediate notification
Date of start of the event 24/02/2018
Date of confirmation of the event 15/02/2019
Report date 22/03/2019
Date submitted to OIE 22/03/2019
Date event resolved 05/04/2019
Reason for notification New strain of a listed disease in the country
Causal agent Low pathogenic avian influenza virus
Serotype H7N4
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (22/03/2019)
Follow-up report No. 1 (08/04/2019)
Follow-up report No. 2 (19/04/2019)
New outbreaks (3)
Outbreak 1 Orussey market, Orussey 1, 7 Makara, Phnom Penh
Date of start of the outbreak 24/02/2018
Outbreak status Resolved (05/04/2019)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 100 10 0 10 90
Affected population H7N4 virus was detected in ducks in Orussey live bird market, Phnom Penh city, Cambodia.
Outbreak 2 Daun Keo market, Rokar Krao, Duan Keo, Takeo
Date of start of the outbreak 24/02/2018
Outbreak status Resolved (05/04/2019)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 100 10 0 10 90
Affected population H7N4 virus was detected in ducks in Takeo province through live bird markets surveillance.
Outbreak 3 Kampong Trobek, Prasat, Kampong Trobek, Prey Veng
Date of start of the outbreak 24/02/2018
Outbreak status Resolved (05/04/2019)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 100 10 0 10 90
Affected population H7N4 virus was detected in ducks in Prey Veng province through live bird markets surveillance.
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 300 30 0 30 270
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 10.00% 0.00% 0.00% 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 Active surveillance conducted in collaboration between National Animal Health and Production Institute (NAHPRI) of the General Directorate of Animal Health and Production (GDAHP), Institut Pasteur du Cambodge and FAO in live bird markets and other high risk sites has identified multiple H7 low pathogenic virus in 2018. The susceptible population in each market was more than 100 and the cases were 1-10 per markets.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Zoning
  • Disinfection
  • Slaughter
  • 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
Institut Pasteur du Cambodge (Regional Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 15/02/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations