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Japan: 2022 H5N1 in poultry

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  • Japan: 2022 H5N1 in poultry

    Source: https://www.maff.go.jp/j/press/syouan/douei/220128.html

    About genetic analysis and confirmation of NA subtype of highly pathogenic avian influenza pseudo-patient (15th case in Japan) confirmed in Chiba prefecture
    January 28, 4th year of Reiwa
    Ministry of Agriculture, Forestry and Fisheries

    As a result of genetic analysis conducted by the National Institute of Animal Health, a pseudo-patient with highly pathogenic avian influenza (15th case in Japan) confirmed in Sosa City, Chiba Prefecture, is a patient with highly pathogenic avian influenza. It was confirmed that.
    In addition, the NA subtype of the highly pathogenic avian influenza virus was identified, and it was confirmed that it was the H5N1 subtype.
    1. Overview

    (1) Genetic analysis conducted by the National Institute of Animal Health (Note) for pseudo-patients with highly pathogenic avian influenza confirmed on a farm in Sosa City, Chiba Prefecture (15th case in Japan, confirmed as pseudo-patient on January 26) As a result, a sequence judged to be highly pathogenic was confirmed.
    (2) In response to this, the Ministry of Agriculture, Forestry and Fisheries has determined that the poultry is a patient with highly pathogenic avian influenza based on the "Guidelines for the Prevention of Specific Livestock Infectious Diseases Concerning Highly Pathogenic Avian Influenza and Low Pathogenic Avian Influenza". ..
    (3) In addition, as a result of examination by the National Institute of Animal Health for the highly pathogenic avian influenza virus, NA subtype was found and it was confirmed that it was H5N1 subtype.

    (Note) National Research and Development Corporation, National Institute of Animal Health, Animal Health Research Division: Japan's only research institute for animal hygiene
    2. Others

    (1) Under the current situation in Japan, we believe that there is no possibility that humans will be infected with the avian influenza virus by eating chicken or chicken eggs.
    https://www.fsc.go.jp/sonota/tori/tori_infl_ah7n9.html (external link)
    (2) Please refrain from conducting on-site interviews as it may cause the spread of this disease and may invade the privacy of farmers. In particular, please refrain from interviewing using helicopters or drones as it will interfere with epidemic prevention work.
    (3) We will continue to strive to provide prompt and accurate information, so we ask for the cooperation of producers and other related parties and consumers so that they will not be confused by unfounded rumors...

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        Source: https://news.yahoo.co.jp/articles/aa...b18ce31a6d47aa

        Avian influenza in Kuji City turned out to be a highly pathogenic "H5N1 subtype" [Iwate]
        2/16 (Wednesday) 19:13 delivery
        IAT Iwate Asahi TV

        The prefecture announced that it was a highly pathogenic avian influenza "H5N1 subtype" with a high case fatality rate due to the problem of bird flu that occurred at a chicken farm in Kuji City, Iwate Prefecture.
        Following the first confirmation of bird flu in the prefecture from chickens on a poultry farm in Kuji City on the 12th, the prefecture requested the national government to perform genetic analysis. Analysis of two of the 13 chickens in the poultry farm revealed that they were highly pathogenic "H5N1 subtypes" with a high mortality rate. It is the same type of bird flu that was confirmed in Aomori and Chiba in 2021.
        Also, on the 16th, the prefecture announced that a simple test for bird flu was carried out on one whooper swan recovered after death in Osanai-cho, Kuji City, and a positive reaction was confirmed. This is the 6th case of confirmed infection from wild birds.

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