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P.E.I., Canada: H5N5 in wild birds and mammals

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  • P.E.I., Canada: H5N5 in wild birds and mammals

    Source: https://www.cbc.ca/news/canada/princ...oons-1.6861818

    PEI extension
    New avian flu virus subtype found in P.E.I. birds and raccoons
    Scientist says virus behaves similarly to a strain already circulating in Atlantic
    Arturo Chang · CBC News · Posted: Jun 01, 2023 11:20 AM EDT | Last Updated: 3 hours ago

    A new subtype of the avian influenza virus has been detected in birds and raccoons on Prince Edward Island.

    H5N5 is a subtype of the bird flu virus. It's closely related to the H5N1 virus that has caused mass death among seabird populations in Atlantic Canada in the past year or so.

    On the Island, H5N5 cases have been discovered in Prince County. They include some birds around Summerside, but also some dead raccoons found on the North Shore.

    This is the first time H5N5 has been found in mammals.

    "It has been detected in some crows, in a red-tailed hawk in the winter ... And then recently, beginning of April, we received some raccoons which it was found in," said Megan Jones, director of the Canadian Wildlife Health Cooperative for the Atlantic region, and an assistant professor at the Atlantic Veterinary College...​

  • #2
    Canada - Influenza A viruses of high pathogenicity (Inf. with) (non-poultry including wild birds) (2017-) - Follow up report 5


    GENERAL INFORMATION

    COUNTRY/TERRITORY OR ZONE
    COUNTRY/TERRITORY

    ANIMAL TYPE
    TERRESTRIAL

    DISEASE CATEGORY
    Listed disease

    EVENT ID
    5065

    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
    H5N5
    \
    START DATE
    2023/04/04

    REASON FOR NOTIFICATION
    Unusual host species

    DATE OF LAST OCCURRENCE- CONFIRMATION DATE
    2023/05/19

    EVENT STATUS
    On-going

    END DATE- SELF-DECLARATION

    NO REPORT INFORMATION

    REPORT NUMBER
    Follow-up report 5

    REPORT ID
    FUR_167269

    REPORT REFERENCE- REPORT DATE
    2024/05/13

    REPORT STATUS
    Validated

    NO EVOLUTION REPORT

    EPIDEMIOLOGY

    SOURCE OF EVENT OR ORIGIN OF INFECTION
    • Unknown or inconclusive
    • Contact with wild species
    EPIDEMIOLOGICAL COMMENTS
    We report additional cases of highly pathogenic avian influenza Fully Eurasian H5N5 (2.3.4.4b) virus in mammals from Prince Edward Island. Outbreaks are reported by province/territory. The geographical marker is on the capital. For detailed and current information on high pathogenicity avian influenza cases in wildlife, please consult : http://www.cwhc-rcsf.ca/avian_influenza.php.

    QUANTITATIVE DATA SUMMARY

    MEASURING UNIT
    Animal

    SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Striped Skunk (WILD)NEW-33---TOTAL-44--- Racoon (Northern raccoon) (WILD)NEW-11---TOTAL-77--- Red Fox (WILD)NEW------TOTAL-22--- All speciesNEW-44---TOTAL-1313---

    DIAGNOSTIC DETAILS

    CLINICAL SIGNS
    YES

    METHOD OF DIAGNOSTIC
    Diagnostic test
    Real-time reverse transcription polymerase chain reaction (rRT-PCR) Canadian Food Inspection Agency (CFIA), National Centre for Foreign Animal Disease (NCFAD), Canadian Science Centre for Human and Animal Health Racoon (Northern raccoon),Striped Skunk,Red Fox 4 2023/05/19 2024/05/02 Positive
    Gene sequencing Canadian Food Inspection Agency (CFIA), National Centre for Foreign Animal Disease (NCFAD), Canadian Science Centre for Human and Animal Health Striped Skunk,Red Fox,Racoon (Northern raccoon) 4 2023/05/19 2024/05/02 Positive



    UPDATED OUTBREAKS

    OB_133539 - PEI-2024-H5N5-MAM (1) - PRINCE EDWARD ISLAND - MAMMALS​

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