Pandemic A/H1N1 2009 virus, Norway (WAHID Interface - OIE World Animal Health Information Database, 10/16/2009, edited)

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Pandemic A/H1N1 2009 virus, Norway (WAHID Interface - OIE World Animal Health Information Database, 10/16/2009, edited)

Pandemic A/H1N1 2009 virus, Norway

Information received on 16/10/2009 from Dr Keren Bar-Yaacov, Assistant Director General, Chief Veterinary Officer, Legislation, Norwegian Food Safety Authority, BRUMUNDDAL, Norway

• Summary
  • Report type Follow-up report No. 2
  • Start date 09/10/2009
  • Date of first confirmation of the event 10/10/2009
  • Report date 16/10/2009
  • Date submitted to OIE 16/10/2009
  • Reason for notification Emerging disease
  • Morbidity 0.1 %
  • Mortality 0 %
  • Zoonotic impact Possible
  • Causal agent Pandemic A/H1N1 2009 virus
  • Serotype Other
  • This event pertains to the whole country
  • Related reports
    • Immediate notification (12/10/2009)
    • Follow-up report No. 1 (13/10/2009)
    • Follow-up report No. 2 (16/10/2009)

• New outbreaks
  • Outbreak 1 - ?sen, District office of S?r-Innherred, Regional office of Tr?ndeland, NORD-TRONDELAG
    • Date of start of the outbreak 10/10/2009
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Swine - 651 - 1 - 0 - 0 - 0
    • Affected Population. A farrow to finishing swine herd. The farmer tested positive on influenza A. The affected pig had mild clinical signs.

• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Swine - 0.15% - 0.00% - 0.00% - 0.00%
    • * Removed from the susceptible population through death, destruction and/or slaughter

• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Contact with infected person

• Epidemiological comments
  • More herds in the district are infected though not all of them have been tested and confirmed as having the pandemic influenza A (H1N1) 2009 variant. No animal contact between this herd and the two first confirmed cases. The virus seems to be extremely contagious between humans and pigs. On 15 October, we decided to abandon our attempt at culling infected herds.

• Control measures
  • Measures applied
    • Quarantine
    • Movement control inside the country
    • Screening
    • Vaccination prohibited
    • Treatment of affected animals (Antibiotic)
  • 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 reverse transcriptase/polymerase chain reaction (RRT-PCR) - 14/10/2009 - 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=8536">WAHID Interface - OIE World Animal Health Information Database</cite>