Pandemic Influenza A H1N1 (2009), United Kingdom (WAHID Interface - OIE World Animal Health Information Database, 12/23/09, edited)

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Pandemic Influenza A H1N1 (2009), United Kingdom (WAHID Interface - OIE World Animal Health Information Database, 12/23/09, edited)

Pandemic Influenza A H1N1 (2009), United Kingdom

Information received on 23/12/2009 from Dr Nigel Gibbens, Chief Veterinary Officer, Department for Environment, Food and Rural Affairs, Department for Environment, Food and Rural Affairs, LONDON, United Kingdom

• Summary
  • Report type Follow-up report No. 13
  • Start date 18/08/2009
  • Date of first confirmation of the event 16/09/2009
  • Report date 23/12/2009
  • Date submitted to OIE 23/12/2009
  • Reason for notification Emerging disease
  • Morbidity 52 %
  • Mortality 0.27 %
  • Zoonotic impact Refer to OIE guidance/opinion
  • Causal agent Pandemic H1N1 virus (2009)
  • Related reports
    • Immediate notification (18/09/2009)
    • Follow-up report No. 1 (25/09/2009)
    • Follow-up report No. 2 (02/10/2009)
    • Follow-up report No. 3 (09/10/2009)
    • Follow-up report No. 4 (16/10/2009)
    • Follow-up report No. 5 (23/10/2009)
    • Follow-up report No. 6 (30/10/2009)
    • Follow-up report No. 7 (06/11/2009)
    • Follow-up report No. 8 (13/11/2009)
    • Follow-up report No. 9 (20/11/2009)
    • Follow-up report No. 10 (27/11/2009)
    • Follow-up report No. 11 (04/12/2009)
    • Follow-up report No. 12 (11/12/2009)
    • Follow-up report No. 13 (23/12/2009)

• New outbreaks
  • Outbreak 1 (GB Flu 2) - Norfolk, ENGLAND
    • Date of start of the outbreak 22/12/2009
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Swine - 2004 - 1124 - 0 - 0 - 3
      • Affected Population A commercial nursery finisher farm. Affected piglets exhibited coughing without lethargy. The majority of piglets recovered fully. Three piglets were slaughtered for diagnostic purposes.

• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Swine - 56.09% - 0.00% - 0.00% - 0.15%
    • * Removed from the susceptible population through death, destruction and/or slaughter

• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive

• Epidemiological comments
  • Outbreak 7 (Norfolk, 22 December 2009):
    • The Veterinary Laboratories Agency (VLA) is conducting an epidemiological investigation of this event. Voluntary movement controls have been instituted by the farm in line with the agreed Industry Code of Practice.

• Control measures
  • Measures applied
    • No vaccination
    • Treatment of affected animals (Oral antibiotics)
  • Measures to be applied
    • No other measures

• Diagnostic test results
  • Laboratory name and type Veterinary Laboratories Agency (VLA), Weybridge (OIE?s Reference Laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Swine - gene sequencing - 22/12/2009 - 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=8790">WAHID Interface - OIE World Animal Health Information Database</cite>