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


Highly pathogenic avian influenza H5N2, China (People's Rep. of)


Information received on 21/12/2013 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 21/12/2013
    • Date of pre-confirmation of the event 21/12/2013
    • Report date 21/12/2013
    • Date submitted to OIE 21/12/2013
    • Reason for notification New strain of a listed disease
    • Manifestation of disease Clinical disease
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5N2
    • Nature of diagnosis Suspicion, Clinical, Laboratory (basic), Laboratory (advanced)
    • This event pertains to the whole country

  • New outbreaks (1)
    • Outbreak 1 - Zhuzhuang village, Jiaozhuang, Baoding, HEBEI
      • Date of start of the outbreak 21/12/2013
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 129700 ? 4000 ? 4000 ? 125700 ? 0

  • Summary of outbreaks
    • Total outbreaks: 1
      • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds ? 129700 ? 4000 ? 4000 ? 125700 ? 0

      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate ? Proportion susceptible animals lost*
        • Birds - 3.08% - 3.08% - 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, Chinese Academy of Agricultural Sciences (OIE?s Reference Laboratory) ? Birds - haemagglutination inhibition test (HIT) - 21/12/2013 ? Positive
      • Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE?s Reference Laboratory) - Birds - reverse transcription - polymerase chain reaction (RT-PCR) ? 21/12/2013 ? Positive
      • Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE?s Reference Laboratory) - Birds - virus isolation - 21/12/2013 ? Positive

  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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