Highly pathogenic avian influenza H5N1, China (People's Rep. of) (OIE, May 13 2013): 1 New Poultry Outbreak, Tibet

[Giuseppe]

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


Highly pathogenic avian influenza H5N1, China (People's Rep. of)


Information received on 13/05/2013 from Dr Zhang Zhongqui, Director General , China Animal Disease Control Centre, Veterinary Bureau, Ministry of Agriculture, Beijing, China (People's Rep. of)

• Summary
  • Report type Immediate notification
  • Date of start of the event 13/05/2013
  • Date of pre-confirmation of the event 13/05/2013
  • Report date 13/05/2013
  • Date submitted to OIE 13/05/2013
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 18/10/2012
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N1
  • Nature of diagnosis Suspicion, Clinical, Laboratory (basic), Laboratory (advanced)
  • This event pertains to a defined zone within the country
• New outbreaks (1)
  • Outbreak 1 - Qionglin village, Milin, Linzhi, TIBET
    • Date of start of the outbreak 13/05/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 407 ? 35 ? 35 ? 372 ? 0
        • Affected population 341 chicken and 31 geese were destroyed.
• Summary of outbreaks
  • Total outbreaks: 1
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 407 ? 35 ? 35 ? 372 ? 0
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Birds - 8.60% - 8.60% - 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
• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Zoning
    • Disinfection of infected premises/establishment(s)
    • Dipping / Spraying
    • No vaccination
    • No treatment of affected animals
  • Measures to be applied
    • No other measures
• Diagnostic test results
  • Laboratory name and type ? Species ? Test - Test date ? Result
    • Harbin Veterinary Research Institute (OIE?s Reference Laboratory) ? Birds - haemagglutination inhibition test (HIT) - 13/05/2013 ? Positive
    • Harbin Veterinary Research Institute (OIE?s Reference Laboratory) ? Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 13/05/2013 ? Positive
    • Harbin Veterinary Research Institute (OIE?s Reference Laboratory) ? Birds - virus isolation - 13/05/2013 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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