Summary
Report type: immediate notification
Started: 26 Oct 2021
Confirmed: 4 Nov 2021
Reported: 5 Nov 2021
Reason for notification: recurrence
Last occurrence: 22 Sep 2021
Causal agent: highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, laboratory
This event pertains to a defined zone within the country.

Outbreak location: Malmo, Skane
Started: 26 Oct 2021
Epidemiological unit: other
Animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Barnacle goose (_Branta leucopsis_): Anatidae-Anseriformes / - / 1 / -
/ 1 / - / -
Affected population: a barnacle goose was found with clinical signs
and was therefore euthanized. It was sent to the National Veterinary
Institute for laboratory analysis as part of the national surveillance
program for avian influenza.

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive
Epidemiological comments: in accordance with the OIE Terrestrial
Animal Health Code, Article 10.4.1, point 4, this outbreak does not
change the disease-free status of Sweden as this is a wild bird and
therefore does not fall within the OIE definition of poultry.

Control measures at event level
Domestic control measures applied: official disposal of carcasses,
by-products, and waste

Diagnostic test results
Laboratory name and type / Species / Outbreaks / Test / Test date /
Result
National Veterinary Institute (SVA) national laboratory / barnacle
goose / 1 / real-time polymerase chain reaction (real-time PCR) / 3
Nov 2021 / positive
National Veterinary Institute (SVA) national laboratory / barnacle
goose / 1 / gene sequencing / 4 Nov 2021 / positive