Highly pathogenic avian influenza H5N1, Cambodia (OIE, February 13 2014): 1 New Poultry Outbreak

[Giuseppe]

[Source: OIE, full page: (LINK). Edited.]


Highly pathogenic avian influenza H5N1, Cambodia


Information received on 13/02/2014 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 Immediate notification
  • Date of start of the event 07/02/2014
  • Date of pre-confirmation of the event 10/02/2014
  • Report date 12/02/2014
  • Date submitted to OIE 13/02/2014
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 18/08/2013
  • 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
• New outbreaks (1)
  • Outbreak 1 (075/14 NaVRI) Svay Prey, Sandaek, Batheay, KG. CHAM
    • Date of start of the outbreak 07/02/2014
    • Outbreak status Resolved (11/02/2014)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 5250 ? 4466 ? 4466 ? 784 ? 0
• Summary of outbreaks
  • Total outbreaks: 1
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 5250 ? 4466 ? 4466 ? 784 ? 0
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 85.07% - 85.07% - 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
  • On 7 February 2014, owners of duck flocks reported that their ducks were sick and died in the village.
  • District and provincial veterinarians went there for examination and found that two duck flocks of two owners were sick and died, with clinical signs as leg weakness, white diarrhea, twisted necks, blank eye, motionless and seizures.
  • They then took 5 samples from each duck flock (10 samples) and sent them to the National Veterinary Research Institute (NaVRI) for diagnostic testing.
• 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
    • Control of wildlife reservoirs
• Diagnostic test results
  • Laboratory name and type ? Species ? Test - Test date ? Result
    • National Veterinary Research Institute (NaVRI) (National laboratory) ? Birds - anatomo-pathological examination - 10/02/2014 ? Positive
    • National Veterinary Research Institute (NaVRI) (National laboratory) ? Birds - real-time PCR - 10/02/2014 - Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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