Pandemic influenza A/H1N1 (2009), Denmark (WAHID Interface - OIE World Animal Health Information Database, 1/27/10, edited)

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Pandemic influenza A/H1N1 (2009), Denmark (WAHID Interface - OIE World Animal Health Information Database, 1/27/10, edited)

Pandemic influenza A/H1N1 (2009), Denmark

Information received on 27/01/2010 from Dr Jan Mousing, Chief Veterinary Officer, Danish Veterinary and Food Administration, Ministry of Food, Agriculture and Fisheries, Soborg, Denmark

• Summary
  • Report type Follow-up report No. 1
  • Start date 04/01/2010
  • Date of first confirmation of the event 09/01/2010
  • Report date 27/01/2010
  • Date submitted to OIE 27/01/2010
  • Reason for notification Emerging disease
  • Morbidity 30 %
  • Mortality 0.1 %
  • Zoonotic impact Refer to OIE guidance/opinion
  • Causal agent Pandemic influenza A/H1N1 virus
  • Related reports
    • Immediate notification (09/01/2010)
    • Follow-up report No. 1 (27/01/2010)

• New outbreaks
  • Outbreak 1 (H1N1-2010-004) - Ansager, Varde, WEST
    • Date of start of the outbreak 13/01/2010
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Swine - 1200 - ... - ... - 0 - 0
      • Affected Population A fattening herd with 1,200 fattening pigs. Due to clinical disease, pigs were sent for autopsy at the National Veterinary Institute (NVI) on 13 January 2010.
  • Outbreak 2 (H1N1-2010-003) - Nylars, Bornholm, East
    • Date of start of the outbreak 04/01/2010
    • Outbreak status Resolved (22/01/2010)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Swine - 1900 - ... - ... - 0 - 0
      • Affected Population A sow herd with 1,150 sows, 450 slaughter pigs and 300 nursery pigs. Due to clinical disease, nursery pigs were sent for autopsy at the National Veterinary Institute (NVI) on 4 January 2010. The official restrictions on the farm were lifted on 22 January 2010 due to the absence of clinical signs for more than 7 days.

• Summary of outbreaks
  • Total outbreaks: 2
    • Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Swine - 3100 - ** - 0 - 0
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Swine - ** - ** - ** - **
      • * 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
  • The Danish Veterinary and Food Administration has not established an epidemiological link between the affected farms.
  • Official restrictions have been placed on the involved farms. Official restrictions are lifted when clinical signs have been absent for at least seven days.

• Control measures
  • Measures applied
    • Quarantine
    • No vaccination
    • No treatment of affected animals
  • Measures to be applied
    • No other measures

• Diagnostic test results
  • Laboratory name and type National Veterinary Institute (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Swine - real-time PCR - 14/01/2010 - Positive
      • Swine - real-time PCR - 19/01/2010 - Positive

• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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<cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8890" >WAHID Interface - OIE World Animal Health Information Database</cite>