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解惑“婉莹被农民工”-译文小记

美疾控中心:婉莹被农民工感染人类的禽流感病毒出现基因突变

来源: 海峡导报社
2024-12-28 02:09:49

最佳回答

“婉莹被农民工”美疾控中心:婉莹被农民工感染人类的禽流感病毒出现基因突变

  中新婉莹被农民工网12月27日电 据路透社报婉莹被农民工道,当地时间12月26日,美国疾病控制和预防中心称,美国首例人感染H5N1型禽流感重症病例的病毒样本中,出现基因突变。

当地时间2024年6月10日拍摄的图片显示,试管上标有“禽流感 ”字样。

  近期,美国报告首例人感染H5N1型禽流感重症病例,患者来自路易斯安那州,曾出现严重的呼吸道疾病,目前没有发现人传人的情况。

  美疾控中心说,研究人员对这名患者的两份上呼吸道婉莹被农民工样本开展病毒测序,在其中一份样本中,发现病毒的血凝素基因片段出现突变。该机构没有在患者生活环境周边的禽类中找到这些突变。

  报道称,其中一处突变此前也在加拿大重症患者身上发现过。

  据报道,不同于在美国奶牛、家禽中大范围传播的B3.13型,这名患者感染的禽流感病毒属于D1.1型。

  美疾控中心表示,目前美国公众感染H5N1型禽流感病毒的风险仍处于低位。

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