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    當前位置: 首頁 » 食品資訊 » 外訊導讀 » 歐盟發(fā)布2020年8月-12月禽流感概述

    歐盟發(fā)布2020年8月-12月禽流感概述

    放大字體  縮小字體 時間:2020-12-22 10:52 來源:食品伙伴網(wǎng) 作者: 澤夕   
    核心提示:2020年12月16日,歐盟食品安全局(EFSA)發(fā)布2020年8月-12月禽流感概述。
       食品伙伴網(wǎng)訊  2020年12月16日,歐盟食品安全局EFSA)發(fā)布2020年8月-12月禽流感概述。
     
      2020年8月15日至2020年12月7日,多個歐盟/歐洲經(jīng)濟區(qū)國家報告了高致病性禽流感(HPAI)病毒的暴發(fā)。在報告所述期間,有兩例人類病例分別感染甲型H5N1和甲型H9N2禽流感病毒。部分原文報道如下:
     
      Between 15 August and 7 December 2020, 561highly pathogenic avian influenza (HPAI) virus detections were reported in 15EU/EEA countries and UK in wild birds, poultry andcaptive birds, with Germany (n=370), Denmark (n=65), the Netherlands (n=57) being the most affected countries.The majority of the detections have been reported in wild birds(n=510), primarily in barnacle goose, greylag goose, andEurasian wigeon. Raptors have also been detected infected, particularly common buzzard. The majority of the birds had been found dead or moribund,however, there are also reports ofHPAI virus infection in apparently healthy ducks or geese.A total of 43 HPAI outbreaks were notified in poultry;with signs of avian influenza infection being observed in at least 33 outbreaks;the most likely source of infection was indirect contact with wild birds. Three HPAI virus subtypes, A(H5N8) (n=518), A(H5N5) (n=17) and A(H5N1) (n=6),and four different genotypes were identified, suggesting the occurrence of multiple virus introductions into Europe.The reassortant A(H5N1) virus identified in EU/EEA countries has acquired gene segments from low pathogenic viruses and is not related to A(H5N1) viruses of e.g. clade 2.3.2.1c causing human infections outside of Europe. As the autumn migration of wild waterbirds to their wintering areasin Europe continues, and given the expected local movements of these birds, there is still a high risk of introduction andfurther spread ofHPAI A(H5) viruses within Europe.The risk of virus spread from wild birds to poultry is high and Member States should enforce in ‘high risk areas’ of their territories the measures provided for in Commission Implementing Decision (EU) 2018/1136.Detection of outbreaks in breeder farms in Denmark, the Netherlands and United Kingdom, highlight also the risk of introduction via contaminated materials (bedding/straw) and equipment.Maintaining high and sustainable surveillance and biosecurityparticularly in high‐risk areas is of utmost importance. Two human cases due to zoonoticA(H5N1) and A(H9N2) avian influenza virus infection were reportedduring the reporting period. The risk for the general population as well as travel‐related imported human cases are assessed as very low.
     
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    日期:2020-12-22
     
     地區(qū): 歐盟 國外
     行業(yè): 畜禽肉品 進出口
     標簽: 禽流感 歐盟食品安全局 EFSA
     科普: 禽流感 歐盟食品安全局 EFSA
     
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