Influenza A Virus, China (People's Rep. of) (OIE; WAHID Interface, 12/17/09, edited)

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Influenza A Virus, China (People's Rep. of) (OIE; WAHID Interface, 12/17/09, edited)

[Source Full PDF Document: LINK. EDITED.]

Influenza A Virus, China (People's Rep. of)

Information received on 17/12/2009 from Dr Zhang Zhongqui, Deputy Director General , China Animal Disease Control Centre, Veterinary Bureau, Beijing, China (People's Rep. of)

• Summary
  • Report type Immediate notification (Final report)
  • Start date 28/10/2009
  • Date of first confirmation of the event 19/11/2009
  • Report date 11/12/2009
  • Date submitted to OIE 17/12/2009
  • Date event resolved 25/11/2009
  • Reason for notification Emerging disease
  • Morbidity 4 scale05
  • Mortality 0 scale05
  • Zoonotic impact No
  • Causal agent Influenza A/H1N1 virus

• New outbreaks
  • Summary of outbreaks
    • Total outbreaks: 2
      • Location(s)
        • BEIJING (Animal Hospital of China Agriculture University)
        • HEILONGJIANG (Shuangcheng slaughterhouse)

• Total animals affected
  • Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
    • Dogs - 52 - 2 - 0 - 0 - 0
    • Swine - 60 - 4 - 0 - 0 - 0

• Outbreak statistics
  • Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Dogs - 3.85% - 0.00% - 0.00% - 0.00%
    • Swine - 6.67% - 0.00% - 0.00% - 0.00%
    • * Removed from the susceptible population through death, destruction and/or slaughter

• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive

• Epidemiological comments
  • All viruses were found during routine surveillance or inspection according to the guidelines of Ministry of Agriculture and no other A/H1N1 outbreaks were found after surveillance of 25,075 animal samples in total by now.

• Control measures
  • Measures applied
    • No vaccination
    • No treatment of affected animals
  • Measures to be applied
    • No other measures

• Diagnostic test results
  • Laboratory name and type Animal Hospital of China Agriculture University (Local laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Dogs - real-time PCR - 25/11/2009 - Positive
      • Dogs - virus isolation - 25/11/2009 - Positive
  • Laboratory name and type Harbin Veterinary Research Institute (OIE?s Reference Laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Swine - real-time PCR - 19/11/2009 - Positive
      • Swine - virus isolation - 19/11/2009 - Positive

• Future Reporting
  • The event is resolved. No more reports will be submitted.

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