Low pathogenic avian influenza (poultry) H7N7, Denmark (OIE, September 3 2013): No New Outbreaks, Final Report

[Giuseppe]

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


Low pathogenic avian influenza (poultry) H7N7, Denmark


Information received on 03/09/2013 from Dr Per Starcke Henriksen, Chief Veterinary Officer, Danish Veterinary and Food Administration, Ministry of Food, Agriculture and Fisheries, Glostrup, Denmark

• Summary
  • Report type Follow-up report No. 2 (Final report)
  • Date of start of the event 31/05/2013
  • Date of pre-confirmation of the event 31/05/2013
  • Report date 03/09/2013
  • Date submitted to OIE 03/09/2013
  • Date event resolved 27/06/2013
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 03/2010
  • Manifestation of disease Sub-clinical infection
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H7N7
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to the whole country
  • Related reports
    • Immediate notification (01/06/2013)
    • Follow-up report No. 1 (19/06/2013)
    • Follow-up report No. 2 (03/09/2013)
• Outbreaks
  • There are no new outbreaks in this report
• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
• Epidemiological comments
  • On 31 May 2013, LPAI H7 was detected in samples collected in connection with the Danish surveillance programme for avian influenza.
  • The farm breeds game birds (mallards and pheasants) for hunting purposes, and was divided into two isolated units.
  • LPAI H7N7 was only detected in one of those two units, the unit with mallards.
  • The infected unit consisted of 4,906 mallards (offspring and adult mallards), 196 hens and 16 geese.
  • On 2 June 2013, the 5,118 birds in that unit were killed and destroyed.
  • In total 15,016 hatching eggs were also destroyed.
  • The other unit consisted of 17,000 pheasants, 60 ornamental ducks, 25 partridges and 12 ornamental pheasants.
  • Those birds were put under official restrictions and were tested three times during a period of 21 days with negative results.
  • The Danish Veterinary and Food Administration established a 1 km restriction zone around the farm, which was lifted on 27 June 2013.
  • There have been no new outbreaks of notifiable avian influenza in Denmark since the outbreak of low pathogenic avian influenza detected on 31 May 2013.
  • The Danish Veterinary and Food Administration has implemented the control measures in accordance with the European Union's Council Directive 2005/94/EC.
  • According to the requirements in article 10.4.3 of the OIE Terrestrial Animal Health Code, Denmark declares having regained its status as a notifiable avian influenza free country on 3 September 2013.
• Control measures
  • Measures applied
    • Quarantine
    • Movement control inside the country
    • Zoning
    • Disinfection of infected premises/establishment(s)
    • Modified stamping out
    • Vaccination prohibited
    • No treatment of affected animals
  • Measures to be applied
    • No other measures
• Future Reporting
  • The event is resolved. No more reports will be submitted.

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