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Bird flu concerns grow after death of 10 bush dogs at UK zoo raises fears of spread between mammals

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  • Bird flu concerns grow after death of 10 bush dogs at UK zoo raises fears of spread between mammals


    March 29, 2023 1:33 pm
    (Updated 4:37 pm)
    By Jane Merrick

    Scientists are investigating the possibility that bird flu was transmitted among a pack of bush dogs at a zoo in England.

    Ten bush dogs at the unnamed zoo died in what is being described as an isolated event last November. The H5N1 avian influenza virus was detected in the dead animals through retrospective sampling, the UK Health Security Agency said.

    While mammal to mammal transmission has not been confirmed in the dogs, it is one line of investigation. There is a possibility that the dogs caught the virus through infected birds fed to them by zookeepers. ...



  • #2
    Confirmed findings of influenza of avian origin in captive mammals - GOV.UK

    Published 17 March 2023

    Applies to England, Scotland and Wales

    Details of confirmed findings of influenza of avian origin in captive mammals in Great Britain (England, Scotland and Wales).

    South American bush dogs, March 2023

    Ten South American bush dogs (Speothos venaticus venaticus) have tested positive for highly pathogenic avian influenza (H5N1) in March 2023.

    These animals were part of a captive breeding programme at a zoological premises in England. They were tested as part of a routine investigation into an unusual mammal die-off in November 2022. Ten animals died or were euthanised in a group of 15 bush dogs, over a 9 day period.

    The bush dogs had minimal clinical signs before death, and APHAcannot definitively state whether or not H5N1 caused the clinical signs. Influenza of avian origin was not suspected at the time; the virus has since been detected in postmortem samples.

    There is no clear evidence suggesting mammal to mammal transmission. It is very likely all animals were exposed to the same source of infected wild birds.

    https://www.gov.uk/government/public...aptive-mammals

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