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    當前位置: 首頁 » 食品資訊 » 外訊導讀 » 歐盟發布2021年家禽和野生鳥類禽流感監測年度報告

    歐盟發布2021年家禽和野生鳥類禽流感監測年度報告

    放大字體  縮小字體 時間:2022-09-16 13:47 來源:食品伙伴網 作者: 澤夕   
    核心提示:2022年9月15日,歐盟食品安全局(EFSA)發布2021年家禽和野生鳥類禽流感監測年度報告。
       食品伙伴網訊  2022年9月15日,歐盟食品安全局EFSA)發布2021年家禽和野生鳥類禽流感監測年度報告。
     
      本報告總結了 2021 年歐盟食品安全局對家禽和野生鳥類進行的監測活動的結果??偣渤闃恿?24,290 家家禽企業,其中27株H5病毒株血清陽性,4株H7病毒株株血清陽性。部分原文報道如下:
     
      European Union (EU) Member States (MSs) are required to carry out surveillance for avian influenza (AI) in poultry and wild birds and notify the results to the responsible authority. In addition, Iceland, Norway, Switzerland and the United Kingdom (Northern Ireland) also implement ongoing surveillance programmes to monitor incursions of avian influenza viruses (AIVs) in poultry and wild birds. EFSA received a mandate from the European Commission to collate, validate, analyse and summarise the data resulting from these AI surveillance programmes in an annual report. The present report summarises the results of the surveillance activities carried out in MSs and the aforementioned countries in 2021. Overall, 24,290 poultry establishments (PEs) were sampled, of which 27 were seropositive for influenza A(H5) and 4 for A(H7) viruses. Seropositive PEs were found in 10 MSs and, as per previous years, the highest percentages of seropositive PEs were found in establishments raising waterfowl game birds and breeding geese. Out of these 31 seropositive PEs, 3 tested positive by polymerase chain reaction (PCR) for influenza A(H5) viruses: 1 for highly pathogenic avian influenza virus (HPAIV), 1 for low pathogenic avian influenza virus (LPAIV) and 1 with unknown virus pathogenicity. In addition, 16 countries reported PCR test results from 1,858 PEs which did not correspond to the follow-up testing of a positive serology event (e.g. in some PEs, PCR tests were used for screening). Sixty-five of these PEs in 10 MSs were found positive for AIVs. Apart from poultry, 31,382 wild birds were sampled, with 2,314 wild birds testing positive for HPAIVs by PCR. Twenty-two countries reported HPAIV-positive wild birds and most positive samples were identified as highly pathogenic avian influenza (HPAI) A(H5N8) virus. In addition, 328 wild birds tested positive for LPAIVs of the A(H5/H7) subtypes and 362 wild birds tested positive for non-A(H5/H7) subtype AIVs.
     
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    日期:2022-09-16
     
     
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