Highly pathogenic avian influenza, Cambodia (WAHID Interface - OIE World Animal Health Information Database, 12/28/09, edited)

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Highly pathogenic avian influenza, Cambodia (WAHID Interface - OIE World Animal Health Information Database, 12/28/09, edited)

Highly pathogenic avian influenza, Cambodia

Information received on 28/12/2009 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 (Final report)
  • Start date 16/12/2009
  • Date of first confirmation of the event 18/12/2009
  • Report date 28/12/2009
  • Date submitted to OIE 28/12/2009
  • Date event resolved 27/12/2009
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 12/2008
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N1
  • Nature of diagnosis Suspicion, Laboratory (basic), Laboratory (advanced)
  • This event pertains to the whole country

• New outbreaks
  • Outbreak 1 - La-ak, Kraek, Ponhea Kraek, KG. CHAM
    • Date of start of the outbreak 16/12/2009
    • Outbreak status Resolved (27/12/2009)
    • Epidemiological unit Village
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds - 1216 - 143 - 143 - 875 - 0
      • Affected Population: Backyard poultry including chickens and ducks (1,012 chickens and 204 ducks). 875 birds corresponding to 751 chickens and 124 ducks were culled.

• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 11.76% - 11.76% - 100.00% - 83.72%
    • * 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 inspected the disease location from 16-19 December 2009.
  • - The source of the outbreak is under investigation.
  • - Culling of backyard poultry was conducted after the laboratory confirmation and was just completed on 27 December 2009.

• Control measures
  • Measures applied
    • Movement control inside the country
    • Disinfection of infected premises/establishment(s)
    • Modified stamping out
    • No vaccination
    • No treatment of affected animals
  • Measures to be applied
    • No other measures

• Diagnostic test results
  • Laboratory name and type National Veterinary Research Institute (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - inoculation test - 18/12/2009 - Positive
  • Laboratory name and type Pasteur Institute in Cambodia (Regional Reference Laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - real-time PCR - 21/12/2009 - Positive

• Future Reporting
  • The event is resolved. No more reports will be submitted.

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<cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8800" >WAHID Interface - OIE World Animal Health Information Database</cite>