Highly pathogenic avian influenza, Cambodia (OIE, November 7 2011): 1 New H5N1 Poultry Outbkreak

[Giuseppe]

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

Highly pathogenic avian influenza, Cambodia


Information received on 07/11/2011 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. 2
  • Start date 21/07/2011
  • Date of first confirmation of the event 28/07/2011
  • Report date 07/11/2011
  • Date submitted to OIE 07/11/2011
  • 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 Suspicion, 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)
    • Follow-up report No. 2 (07/11/2011)
• New outbreaks
  • Outbreak 1 - Opong Moan, Takream, Banon, BATTAMBANG
    • Date of start of the outbreak 03/11/2011
    • Outbreak status Resolved (07/11/2011)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 5206 ? 1050 ? 1050 ? 4156 ? 0
      • Affected Population Broiler farm
• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 20.17% - 20.17% - 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 farms and carried out poultry mortality survey around infected farms at the village from 4 to 7 November 2011.
  • During the outbreak the team from provincial and central level did culling of poultry, a total of 4,156 heads (53 chickens, 97 ducks, 6 geese and 4,000 broilers) of poultry were culled.
• Control measures
  • Measures applied
    • Stamping out
    • Movement control inside the country
    • 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 - nested RT-PCR - 03/11/2011 ? Positive
  • Laboratory name and type Pasteur Institute, Cambodia (Regional Reference Laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - nested RT-PCR - 03/11/2011 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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