Highly pathogenic avian influenza H5N2, China (People's Rep. of) (OIE, December 23 2013): 1 New Poultry Outbreak, Hebei

[Giuseppe]

[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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