Low pathogenic avian influenza (poultry) A/H7, Denmark (OIE, June 3 2013): 1 New Outbreak

[Giuseppe]

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


Low pathogenic avian influenza (poultry) A/H7, Denmark


Information received on 01/06/2013 from Dr Per Starcke Henriksen, Chief Veterinary Officer, Danish Veterinary and Food Administration, Ministry of Food, Agriculture and Fisheries, Soborg, Denmark

• Summary
  • Report type Immediate notification
  • Date of start of the event 31/05/2013
  • Date of pre-confirmation of the event 31/05/2013
  • Report date 01/06/2013
  • Date submitted to OIE 01/06/2013
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 03/2010
  • Manifestation of disease Sub-clinical infection
  • Causal agent low pathogenicity avian influenza virus
  • Serotype H7
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to the whole country
• New outbreaks
  • Summary of outbreaks
    • Total outbreaks: 1
      • Outbreak Location - WEST ( Viborg, Viborg )
        • Total animals affected - Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
          • Birds - 13900 - ** - ? ? ? ? 0
      • Outbreak statistics - Species - Apparent morbidity rate ? Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - ** - ** - ** - **
        • * 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
  • On 31 May 2013, low pathogenic avian influenza (LPAI) H7 was detected in mallards in samples collected in connection with the Danish surveillance programme for avian influenza.
  • The stamping-out of the mallards at the infected holding will be initiated as soon as possible.
  • The mallards and the pheasants are kept epidemiologically separated and LPAI H7 has only been detected in the mallards.
  • The Danish Veterinary and Food Administration has established a restricted zone at 1 km around the holding and are implementing the necessary measures in accordance with Council Directive 2005/94/EC.
  • 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 (2012).
• Control measures
  • Measures applied
    • Movement control inside the country
      • Zoning
      • Vaccination prohibited
      • No treatment of affected animals
    • Measures to be applied
      • Disinfection of infected premises/establishment(s)
      • Modified stamping out
• Diagnostic test results
  • Laboratory name and type - National Veterinary Institute ( National laboratory )
    • Tests and results: Species - Test - Test date - Result
      • Birds - polymerase chain reaction (PCR) - 31/05/2013 - Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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