Summary
Report type: immediate notification
Started: 9 Feb 2022
Confirmed: 21 Feb 2022
Reported: 25 Feb 2022
Reason for notification: new strain in the country
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, laboratory
This event pertains to the whole country.

Outbreak location 1: City, Kauno
Started: 17 Feb 2022
Ended: 22 Feb 2022
Epidemiological unit: body of water
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Mute swan (_Cygnus olor_): Anatidae-Anseriformes / - / 1 / 1 / - / - /
-
Affected population: the information about the dead mute swan (_Cygnus
olor_) in the city at the river bank was received in the framework of
enhanced passive surveillance.

Outbreak location 2: City, Kauno
Started: 9 Feb 2022
Ended: 17 Feb 2022
Epidemiological unit: body of water
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Mute swan (_Cygnus olor_): Anatidae-Anseriformes / - / 1 / 1 / - / - /
-
Affected population: the information about the dead mute swans
(_Cygnus olor_) in the middle of the city at the riverbank was
received in the framework of enhanced passive surveillance.

Epidemiology
Source of the outbreak(s) or origin of infection: contact with wild
species.
Epidemiological comments: the information about the dead mute swan
(_Cygnus olor_) in the city at the riverbank was received in the
framework of enhanced passive surveillance.

Control measures applied in domestic: surveillance outside containment
and or the protection zone; surveillance within containment and or the
protection zone; official disposal of carcasses, by-products, and
waste; movement control inside the country; control of wildlife
reservoirs.

Control measures applied in wild: surveillance outside containment and
or the protection zone; surveillance within containment and or the
protection zone; official disposal of carcasses, by-products, and t.

Diagnostic test results
Laboratory name and type / Species / Outbreaks / Test / Test date /
Result
National Food and Veterinary Risk Assessment Institute (NFVRAI)
(national laboratory) / mute swan / 2 / real-time polymerase chain
reaction (real-time PCR) /17 to 22 Feb 2022 / positive