Pandemic A/H1N1 2009 virus,
Norway

Information received on 16/10/2009 from Dr Keren Bar-Yaacov, 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
Related reports

New outbreaks
Outbreak 1 Åsen, District office of Sør-Innherred, Regional office of Trøndelag, 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.

Map of outbreak locations
Location of current outbreaks

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