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當(dāng)前位置: 首頁 » 食品資訊 » 外訊導(dǎo)讀 » 歐盟發(fā)布2022年9月-12月禽流感概述

歐盟發(fā)布2022年9月-12月禽流感概述

放大字體  縮小字體 時間:2023-02-01 15:50 來源:食品伙伴網(wǎng) 作者: 澤夕   
核心提示:2023年1月19日,歐盟食品安全局(EFSA)發(fā)布2022年9月-12月禽流感概述。
   食品伙伴網(wǎng)訊  2023年1月19日,歐盟食品安全局EFSA)發(fā)布2022年9月-12月禽流感概述。
 
  2022年9月10日至2022年12月2日,27個歐洲國家報告了高致病性禽流感(HPAI)疫情的暴發(fā)。自上次報告以來,西班牙報告了2例H5N1病毒感染的人類病例,中國報告了1例甲型H5N1、1例甲型H5N6和1例甲型H9N2病毒感染的人類病例,越南報告了1例H5病毒感染的人類病例。在歐盟/歐洲經(jīng)濟區(qū),一般人群的感染風(fēng)險被評估為低,職業(yè)暴露人群的感染風(fēng)險為中低。部分原文報道如下:
 
  Between October 2021 and September 2022 Europe has suffered the most devastating highly pathogenic avian influenza (HPAI) epidemic with a total of 2,520 outbreaks in poultry, 227 outbreaks in captive birds, and 3,867 HPAI virus detections in wild birds. The unprecedent geographical extent (37 European countries affected) resulted in 50 million birds culled in affected establishments. In the current reporting period, between 10 September and 2 December 2022, 1,163 HPAI virus detections were reported in 27 European countries in poultry (398), captive (151) and wild birds (613). A decrease in HPAI virus detections in colony-breeding seabirds species and an increase in the number of detections in waterfowl has been observed. The continuous circulation of the virus in the wild reservoir has led to the frequent introduction of the virus into poultry populations. It is suspected that waterfowl might be more involved than seabirds in the incursion of HPAI virus into poultry establishments. In the coming months, the increasing infection pressure on poultry establishments might increase the risk of incursions in poultry, with potential further spread, primarily in areas with high poultry densities. The viruses detected since September 2022 (clade 2.3.4.4b) belong to eleven genotypes, three of which have circulated in Europe during the summer months, while eight represent new genotypes. HPAI viruses were also detected in wild and farmed mammal species in Europe and North America, showing genetic markers of adaptation to replication in mammals. Since the last report, two A(H5N1) detections in humans in Spain, one A(H5N1), one A(H5N6) and one A(H9N2) human infection in China as well as one A(H5) infection without NA-type result in Vietnam were reported, respectively. The risk of infection is assessed as low for the general population in the EU/EEA, and low to medium for occupationally exposed people.
 
  本文由食品伙伴網(wǎng)食品資訊中心編輯,供網(wǎng)友參考,有任何疑問,請聯(lián)系news@foodmate.net。
日期:2023-02-01
 
 地區(qū): 歐盟 國外
 行業(yè): 畜禽肉品 進出口
 標(biāo)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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