Highly pathogenic avian influenza H5N2, China (People's Rep. of) (OIE, January 21 2014): 1 New Poultry Outbreak, Shandong

[Giuseppe]

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


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


Information received on 21/01/2014 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 Follow-up report No. 1
  • Date of start of the event 21/12/2013
  • Date of pre-confirmation of the event 21/12/2013
  • Report date 20/01/2014
  • Date submitted to OIE 21/01/2014
  • 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
  • Related reports
    • Immediate notification (21/12/2013)
    • Follow-up report No. 1 (20/01/2014)
  
  
• New outbreaks (1)
  • Outbreak 1 - Hongdao Economic Development Zone, Qingdao, SHANDONG
    • Date of start of the outbreak 16/01/2014
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 18857 ? 5 ? 0 ? 18857 ? 0
      • Affected population: Five specimens from one breeder farm were tested H5N2 positive according to the national surveillance plan. No dead birds were found.
  
  
• Summary of outbreaks
  • Total outbreaks: 1
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 18857 ? 5 ? 0 ? 18857 ? 0
      
      
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Birds - 0.03% - 0.00% - 0.00% - 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) - 20/01/2014 ? Positive
    • Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE?s Reference Laboratory) - Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 20/01/2014 ? Positive
    • Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE?s Reference Laboratory) ? Birds - virus isolation - 20/01/2014 ? Positive
  
  
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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