Highly pathogenic avian influenza H5N1, China (People's Rep. of) (OIE, January 3 2014): 1 New Poultry Outbreak, Guizhou

[Giuseppe]

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


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


Information received on 03/01/2014 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 Immediate notification
  • Date of start of the event 27/12/2013
  • Date of pre-confirmation of the event 02/01/2014
  • Report date 02/01/2014
  • Date submitted to OIE 03/01/2014
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 18/06/2013
  • 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 - Yijue Village, Libo, Qiannan, GUIZHOU
    • Date of start of the outbreak 27/12/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 31567 ? 9300 ? 8500 ? 23067 ? 0
      • Affected population All the cases are chicken and 18,250 chickens, 4,569 ducks and 248 geese have been destroyed.
  
  
• Summary of outbreaks
  • Total outbreaks: 1
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 31567 ? 9300 ? 8500 ? 23067 ? 0
      
      
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate ? Proportion susceptible animals lost*
      • Birds - 29.46% - 26.93% - 91.40% - 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) - 02/01/2014 ? Positive
    • Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE?s Reference Laboratory) - Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 02/01/2014 ? Positive
  
  
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

-
------