Low pathogenic avian influenza (poultry) H7N9, China (People's Rep. of) (OIE, April 22 2013): 1 pigeon

[Giuseppe]

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


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


Information received on 22/04/2013 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 Follow-up report No. 4
  • Date of start of the event 04/04/2013
  • Date of pre-confirmation of the event 04/04/2013
  • Report date 22/04/2013
  • Date submitted to OIE 22/04/2013
  • 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
  • Related reports
    • Immediate notification (04/04/2013)
    • Follow-up report No. 1 (05/04/2013)
    • Follow-up report No. 2 (10/04/2013)
    • Follow-up report No. 3 (16/04/2013)
    • Follow-up report No. 4 (22/04/2013)
• New outbreaks (1)
  • Outbreak 1 - Haian, Nantong, JIANGSU
    • Date of start of the outbreak 22/04/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 340 ? 1 ? 0 ? 340 ? 0
      • Affected population One sample from pigeon
• Summary of outbreaks
  • Total outbreaks: 1
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 340 ? 1 ? 0 ? 340 ? 0
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Birds - 0.29% - 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
• Epidemiological comments
  • Gene sequencing shows that it is low pathogenic avian influenza virus (LPAI).
• Control measures
  • Measures applied
    • Control of wildlife reservoirs
    • 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
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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