Low pathogenic avian influenza (poultry) H7, Vietnam (OIE, January 16 2014): 1 new Outbreak

[Giuseppe]

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


Low pathogenic avian influenza (poultry) H7, Vietnam


Information received on 16/01/2014 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hano?, Vietnam

• Summary
  • Report type Immediate notification
  • Date of start of the event 15/01/2013
  • Date of pre-confirmation of the event 30/01/2013
  • Report date 16/01/2014
  • Date submitted to OIE 16/01/2014
  • Reason for notification First occurrence of a listed disease
  • Manifestation of disease Sub-clinical infection
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H7
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to the whole country
• New outbreaks (1)
  • Outbreak 1 - Can Tho, CAN THO
    • Date of start of the outbreak 15/01/2013
    • Outbreak status Resolved (15/02/2013)
    • Epidemiological unit Not applicable
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - ? ? 2 ? 0 ? 0 ? 0
      • Affected population Live bird market
• Summary of outbreaks
  • Total outbreaks: 1
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - ? ? 2 ? 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
  • Positive samples were collected under a live bird market surveillance programme.
  • Data provided is approximate.
  • Note by the OIE Animal Health Information Department:
    • - H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2013).
    • - This event is published now as an immediate notification, although the notification period is long, due to the fact that it is the first occurrence of low pathogenic avian influenza in the country.
• Control measures
  • Measures applied
    • Disinfection of infected premises/establishment(s)
    • 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
    • National Centre of Veterinary Diagnostics (NCVD) (National laboratory) ? Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 30/01/2013 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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