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Finland - Influenza A viruses of high pathogenicity (Inf. with) (non-poultry including wild birds) (2017-) - Follow up report 31
GENERAL INFORMATION
COUNTRY/TERRITORY OR ZONE
ZONE
ANIMAL TYPE
TERRESTRIAL
DISEASE CATEGORY
Listed disease
EVENT ID
5119
DISEASE
Influenza A viruses of high pathogenicity (Inf. with) (non-poultry including wild birds) (2017-)
CAUSAL AGENT
Highly pathogenic avian influenza virus
GENOTYPE / SEROTYPE / SUBTYPE
H5N1
START DATE
2023/06/30
REASON FOR NOTIFICATION
Unusual host species
DATE OF LAST OCCURRENCE - CONFIRMATION DATE
2023/07/13
EVENT STATUS
On-going
END DATE - SELF-DECLARATION
NO REPORT INFORMATION
REPORT NUMBER
Follow-up report 31
REPORT ID
FUR_165660
REPORT REFERENCE- REPORT DATE
2024/02/15
REPORT STATUS
Validated
NO EVOLUTION REPORT
EPIDEMIOLOGY
SOURCE OF EVENT OR ORIGIN OF INFECTION- Unknown or inconclusive
Note: previously published precise location data of the outbreaks was changed to approximate in follow-up report 3 to insure privacy of the farmers. Follow-up report on 24.8.2023: Several HPAI H5N1 outbreaks on fur farms raising arctic foxes, silver foxes, American minks and raccoon dogs have been detected. Wild birds are currently considered the most likely source of the infection, based on epidemiological investigations and sequencing of the viruses. The competent authority has imposed restrictive orders on infected fur animal farms. All minks from the infected farms are culled. Other fur animals from infected farms are culled based on the decisions that are made on a case-by-case basis and do not necessarily apply to all animals on the farm. In addition, samples are taken from infected farms to monitor the course of the epidemic. If the virus is detected, the culling will continue. Veterinary authorities are working in tight collaboration with the public health authority. Improved biosecurity measures and use of personal protection equipment on fur farms are encouraged. Follow-up report on 5.10.2023: Starting from 11 September 2023, a new culling policy has been adopted and all animals on HPAI virus-positive farms, including foxes and common raccoon dogs, are culled. Note on 30/11/2023: Outbreak OB_127861 - 49 - UUSIKAARLEPYY previously reported was deleted in follow-up report No. 20 after further testing confirmed that it was negative. Note on 22/12/2023: After further data received from the country, the number of susceptible animals was lowered in the following outbreaks: ob_127504/35, ob_127506/36, ob_127508/38, ob_127512/42 and ob_127881/56.
QUANTITATIVE DATA SUMMARY
MEASURING UNIT
Animal
SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Otter (WILD)NEW------TOTAL-22--- Eurasian Lynx (WILD)NEW------TOTAL-11--- Sable (WILD)NEW------TOTAL250--25000 American Mink (WILD)NEW---400000TOTAL1244803638363011185000 Raccoon dog (WILD)NEW---350000TOTAL2049026212046900 Arctic Fox (WILD)NEW---933500TOTAL303116110211089326970600 Red Fox (WILD)NEW---32000TOTAL237192872822225200 All speciesNEW---1715500TOTAL472055149751482942452700
DIAGNOSTIC DETAILS
CLINICAL SIGNS
YES
METHOD OF DIAGNOSTIC
Diagnostic testhttps://wahis.woah.org/#/in-review/5119Haemagglutination inhibition assay for antibody detection (Ab HI) Finnish Food Authority Red Fox,American Mink,Raccoon dog,Arctic Fox 44 2023/10/05 2023/12/21 Positive Enzyme-linked immunosorbent assay (ELISA) Finnish Food Authority Arctic Fox,Red Fox,American Mink,Raccoon dog 44 2023/09/18 2023/12/20 Positive Gene sequencing Finnish Food Authority Arctic Fox,Raccoon dog,Red Fox,American Mink,Eurasian Lynx,Otter 31 2023/07/13 2023/11/10 Positive Reverse transcription-polymerase chain reaction (RT-PCR) Finnish Food Authority Arctic Fox,Red Fox,American Mink,Raccoon dog,Otter,Eurasian Lynx 30 2023/07/12 2023/11/10 Positive Real-time reverse transcription polymerase chain reaction (rRT-PCR) Finnish Food Authority Arctic Fox,Red Fox,American Mink,Otter,Eurasian Lynx,Raccoon dog 31 2023/07/12 2023/11/09 Positive Comment
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Finland - Influenza A viruses of high pathogenicity (Inf. with) (non-poultry including wild birds) (2017-) - Follow up report 37
GENERAL INFORMATION
COUNTRY/TERRITORY OR ZONE
ZONE
ANIMAL TYPE
TERRESTRIAL
DISEASE CATEGORY
Listed disease
EVENT ID
5119
DISEASE
Influenza A viruses of high pathogenicity (Inf. with) (non-poultry including wild birds) (2017-)
CAUSAL AGENT
Highly pathogenic avian influenza virus
GENOTYPE / SEROTYPE / SUBTYPE
H5N1
START DATE
2023/06/30
REASON FOR NOTIFICATION
Unusual host species
DATE OF LAST OCCURRENCE- CONFIRMATION DATE
2023/07/13
EVENT STATUS
On-going
END DATE- SELF-DECLARATION
NO REPORT INFORMATION
REPORT NUMBER
Follow-up report 37
REPORT ID
FUR_166706
REPORT REFERENCE- REPORT DATE
2024/03/28
REPORT STATUS
Validated
NO EVOLUTION REPORT
EPIDEMIOLOGY
SOURCE OF EVENT OR ORIGIN OF INFECTION- Unknown or inconclusive
Note: previously published precise location data of the outbreaks was changed to approximate in follow-up report 3 to insure privacy of the farmers. Follow-up report on 24.8.2023: Several HPAI H5N1 outbreaks on fur farms raising arctic foxes, silver foxes, American minks and raccoon dogs have been detected. Wild birds are currently considered the most likely source of the infection, based on epidemiological investigations and sequencing of the viruses. The competent authority has imposed restrictive orders on infected fur animal farms. All minks from the infected farms are culled. Other fur animals from infected farms are culled based on the decisions that are made on a case-by-case basis and do not necessarily apply to all animals on the farm. In addition, samples are taken from infected farms to monitor the course of the epidemic. If the virus is detected, the culling will continue. Veterinary authorities are working in tight collaboration with the public health authority. Improved biosecurity measures and use of personal protection equipment on fur farms are encouraged. Follow-up report on 5.10.2023: Starting from 11 September 2023, a new culling policy has been adopted and all animals on HPAI virus-positive farms, including foxes and common raccoon dogs, are culled. Note on 30/11/2023: Outbreak OB_127861 - 49 - UUSIKAARLEPYY previously reported was deleted in follow-up report No. 20 after further testing confirmed that it was negative. Note on 22/12/2023: After further data received from the country, the number of susceptible animals was lowered in the following outbreaks: ob_127504/35, ob_127506/36, ob_127508/38, ob_127512/42 and ob_127881/56.
QUANTITATIVE DATA SUMMARY
MEASURING UNIT
Animal
SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Otter (WILD)NEW------TOTAL-22--- Eurasian Lynx (WILD)NEW------TOTAL-11--- Sable (WILD)NEW------TOTAL250--25000 American Mink (WILD)NEW---900000TOTAL1244803638363012085000 Raccoon dog (WILD)NEW------TOTAL2049026212046900 Arctic Fox (WILD)NEW---1032000TOTAL303116110211089328002600 Red Fox (WILD)NEW---118500TOTAL237192872822343700 All speciesNEW---2050500TOTAL472055149751482944503200
DIAGNOSTIC DETAILS
CLINICAL SIGNS
YES
METHOD OF DIAGNOSTIC
Diagnostic testhttps://wahis.woah.org/#/in-review/5119Haemagglutination inhibition assay for antibody detection (Ab HI) Finnish Food Authority Red Fox,American Mink,Arctic Fox,Raccoon dog 44 2023/10/05 2023/12/21 Positive Enzyme-linked immunosorbent assay (ELISA) Finnish Food Authority American Mink,Raccoon dog,Arctic Fox,Red Fox 44 2023/09/18 2023/12/20 Positive Gene sequencing Finnish Food Authority Red Fox,Raccoon dog,Arctic Fox,Otter,American Mink,Eurasian Lynx 31 2023/07/13 2023/11/10 Positive Reverse transcription-polymerase chain reaction (RT-PCR) Finnish Food Authority Arctic Fox,Otter,American Mink,Eurasian Lynx,Raccoon dog,Red Fox 30 2023/07/12 2023/11/10 Positive Real-time reverse transcription polymerase chain reaction (rRT-PCR) Finnish Food Authority Arctic Fox,American Mink,Raccoon dog,Otter,Red Fox,Eurasian Lynx 31 2023/07/12 2023/11/09 Positive Comment
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