Highly pathogenic avian influenza, Cambodia (OIE, September 12 2011): 1 New H5N1 Poultry Outbreak, Banteay Meanchey

[Giuseppe]

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

Highly pathogenic avian influenza, Cambodia


Information received on 12/09/2011 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. 1
  • Start date 21/07/2011
  • Date of first confirmation of the event 28/07/2011
  • Report date 12/09/2011
  • Date submitted to OIE 12/09/2011
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 01/10/2010
  • 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 (29/07/2011)
    • Follow-up report No. 1 (12/09/2011)
• New outbreaks
  • Outbreak 1 - Ta Srey, Ta Pho, Svay Cheik, BANTEAY MEANCHEY
    • Date of start of the outbreak 25/08/2011
    • Outbreak status Resolved (12/09/2011)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 236 ? 156 ? 156 ? 80 ? 0
      • Affected Population Backyard poultry
• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 66.10% - 66.10% - 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
  • The investigation team from the National Veterinary Research Institute (NaVRI) of the Department of Animal Health and Production (DAHP) conducted an investigation in the infected villages and carried out poultry mortality survey around infected villages from 1 to 12 September 2011.
  • During the outbreaks the team from provincial and central level did culling of poultry, a total of 80 heads (50 chickens and 30 ducks) of poultry were culled.
• 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 National Veterinary Research Institute (NaVRI) (National laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - inoculation test - 09/09/2011 ? Positive
      • Birds - real-time PCR - 09/09/2011 ? Positive
  • Laboratory name and type Pasteur Institute in Cambodia (Regional Reference Laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - real-time PCR - 10/09/2011 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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