Summary
Report type: immediate notification
Started: 19 Oct 2022
Confirmed: 20 Oct 2022
Reported: 22 Oct 2022
Reason for notification: recurrence
Last occurrence: 20 Apr 2022
Causal agent: highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, laboratory
This event pertains to the whole country.

Outbreak location: Voll, Klepp, Rogaland
Started: 19 Oct 2022
Detailed characterization: Clade 2.3.4.4b; lineage: Fully Eurasian
Epidemiological unit: farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds (domestic) / - / 7000 / 200 / 6800 / - / -

Domestic control measures: zoning; surveillance within the restricted
zone; stamping out; official disposal of carcasses, by-products, and
waste; official destruction of animal products; movement control;
disinfection

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
Norwegian Veterinary Institute (NVI) / birds / real-time polymerase
chain reaction (real time-PCR) / 20 Oct 2022 / positive