Low pathogenic avian influenza (poultry) H7N9, China (People's Rep. of): 1 pigeon, Shanghai

[Giuseppe]

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


Low pathogenic avian influenza (poultry) ,China (People's Rep. of)


Information received on 04/04/2013 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 04/04/2013
  • Date of pre-confirmation of the event 04/04/2013
  • Report date 04/04/2013
  • Date submitted to OIE 04/04/2013
  • Reason for notification New strain of a listed disease
  • Manifestation of disease Sub-clinical infection
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H7N9
  • Nature of diagnosis Laboratory (basic), Laboratory (advanced)
  • This event pertains to the whole country
• New outbreaks
  • Summary of outbreaks
    • Total outbreaks: 1
      • Outbreak Location - SHANGHAI ( Huhuai agricultural products wholesale market, Songjiang, Shanghai )
        • Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
          • Birds - ? - 1 - 0 - 0 - 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds - ** - ** - 0.00% - **
          • * Removed from the susceptible population through death, destruction and/or slaughter;
          • ** Not calculated because of missing information;
• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
• Epidemiological comments
  • Up to date there is no evidence that China human H7N9 cases come from this pigeon case.
  • Further investigations are on-going.
• Control measures
  • Measures applied
    • Control of wildlife reservoirs
    • 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
    • Stamping out
• Diagnostic test results
  • Laboratory name and type: Harbin veterinary research institute, Chinese academy of agricultural sciences ( OIE?s Reference Laboratory )
    • Tests and results: Species - Test - Test date - Result
      • Birds - gene sequencing - 04/04/2013 - Positive
      • Birds - haemagglutination inhibition test (HIT) - 04/04/2013 - Positive
      • Birds - pathogen isolation by egg inoculation - 04/04/2013 - Positive
      • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 04/04/2013 - Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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