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Hong Kong: AFCD confirms that a black-faced spoonbill in Wetland Park is infected with H5N1 avian influenza virus - WOAH notification

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  • Hong Kong: AFCD confirms that a black-faced spoonbill in Wetland Park is infected with H5N1 avian influenza virus - WOAH notification

    Source: https://www-metroradio-com-hk.transl..._x_tr_pto=wapp

    AFCD confirms that a black-faced spoonbill in Wetland Park is infected with H5N1 avian influenza virus
    13/12/2022 5:40
    The Fisheries and Conservation Department has verified that a black-faced spoonbill carcass found in the mudflats of Tin Shui Wai Wetland Park was found to be infected with H5N1 avian influenza virus. It has notified two chicken farms within a three-kilometer range. No abnormal death or infection of chickens has been found for the time being. Bird flu symptoms, will remind poultry farmers, strengthen the prevention of bird flu and biosecurity measures, and have strengthened cleaning and disinfection in the wetland park. The wetland park
    said that it will pay close attention to the situation of birds in the park, and has posted notices to remind the public Pay attention to personal hygiene.

  • #2


    11:00 AM ยท Dec 22, 2022
    COUNTRY/TERRITORY OR ZONE
    COUNTRY/TERRITORY

    ANIMAL TYPE
    TERRESTRIAL

    DISEASE CATEGORY
    OIE-listed

    EVENT ID
    4778

    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
    2022/12/05

    REASON FOR NOTIFICATION
    Recurrence of an eradicated strain

    DATE OF LAST OCCURRENCE
    2022/11/23

    CONFIRMATION DATE
    2022/12/12

    EVENT STATUS
    On-going ...

    REPORT NUMBER
    Immediate notification

    REPORT ID
    IN_158227

    REPORT REFERENCE
    -
    REPORT DATE
    2022/12/15

    REPORT STATUS
    Validated

    NO EVOLUTION REPORT
    -
    EPIDEMIOLOGY
    SOURCE OF EVENT OR ORIGIN OF INFECTION
    • Unknown or inconclusive
    EPIDEMIOLOGICAL COMMENTS

    An intensive avian influenza surveillance system is in place for all poultry farms, pet bird shops and wild birds in Hong Kong. The H5N1 infected bird was detected in the ongoing territory wide surveillance programme on wild birds. No spread of the disease was evident. Cleaning and disinfection has been stepped up at the venue where the dead bird was found. There are two poultry farms located within three kilometers of where the bird was found. The Government had immediately informed the farms and no abnormal mortality or symptoms of avian influenza among the chicken flocks were noted. The Government will closely monitor poultry farms and the wholesale market to ensure that proper precautions against avian influenza have been taken. The government will continue its wild bird monitoring and surveillance.

    QUANTITATIVE DATA SUMMARY
    MEASURING UNIT


    Animal
    SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinatedBlack-faced spoonbill (WILD)NEW-11000TOTAL-11000DIAGNOSTIC DETAILS
    CLINICAL SIGNS


    YES
    METHOD OF DIAGNOSTIC
    Diagnostic test, Necropsy

    WILD ANIMALS Screening
    Applied

    Disinfection

    Applied
    Virus isolation Centre of Influenza Research, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong Black-faced spoonbill 1 2022/12/12 2022/12/12 Positive
    Gene sequencing Centre of Influenza Research, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong Black-faced spoonbill 1 2022/12/09 2022/12/09 Positive
    Real-time reverse transcription polymerase chain reaction (rRT-PCR) Tai Lung Veterinary Laboratory, Agriculture Fisheries and Conservation Department Black-faced spoonbill 1 2022/12/06 2022/12/07 Positive
    Gene sequencing Tai Lung Veterinary Laboratory, Agriculture Fisheries and Conservation Department Black-faced spoonbill 1 2022/12/07 2022/12/07 Positive
    Immunohistochemistry (IHC) Tai Lung Veterinary Laboratory, Agriculture Fisheries and Conservation Department Black-faced spoonbill 1 2022/12/07 2022/12/07 Positive

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