Highly pathogenic avian influenza H5N1, Cambodia (OIE, February 22 2013): 3 New Poultry Outbreaks

[Giuseppe]

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


Highly pathogenic avian influenza, Cambodia


Information received on 22/02/2013 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
  • Date of start of the event 09/01/2013
  • Date of pre-confirmation of the event 24/01/2013
  • Report date 22/02/2013
  • Date submitted to OIE 22/02/2013
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 11/06/2012
  • 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 (27/01/2013)
    • Follow-up report No. 1 (30/01/2013)
    • Follow-up report No. 2 (22/02/2013)
• New outbreaks (3)
  • Outbreak 1 (130/13 NaVRI) - Kbal Au, Mesorchrey, Steung Strang, KG. CHAM
    • Date of start of the outbreak 18/02/2013
    • Outbreak status Resolved (19/02/2013)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 550 ? 227 ? 227 ? 323 ? 0
      • Affected population Backyard poultry
  • Outbreak 2 (127/13 NaVRI) - Talay, Kor, Prey Chhor, KG. CHAM
    • Date of start of the outbreak 18/02/2013
    • Outbreak status Resolved (19/02/2013)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 1006 ? 185 ? 185 ? 821 ? 0
      • Affected population Backyard poultry
  • Outbreak 3 (132/13 NaVRI) - Sro Ngae, Beung Nimol, Chhuk, KAMPOT
    • Date of start of the outbreak 19/02/2013
    • Outbreak status Resolved (21/02/2013)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 1076 ? 442 ? 442 ? 634 ? 0
      • Affected population Backyard poultry
• Summary of outbreaks
  • Total outbreaks: 3
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 2632 ? 854 ? 854 ? 1778 ? 0
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Birds - 32.45% - 32.45% - 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
  • After having been reported by farmers that their poultry was sick and was dying, the district and provincial veterinary services went there to check and took some samples (sick poultry) which were sent to NaVRI.
  • The samples were confirmed positive for H5N1.
• 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 ? Species ? Test - Test date ? Result
    • National Veterinary Research Institute (NaVRI) (National laboratory) ? Birds - anatomo-pathological examination - 18/02/2013 ? Positive
    • National Veterinary Research Institute (NaVRI) (National laboratory) ? Birds - real-time PCR - 18/02/2013 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

-
-------