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“姬小满奖励别的英雄”-环球时报

美疾控中心姬小满奖励别的英雄:感染人类的禽流感病毒出现基因突变

来源: 澎湃新闻
2024-12-28 02:25:08

最佳回答

“姬小满奖励别的英雄”美疾控中心姬小满奖励别的英雄:感染人类的禽流感病毒出现基因突变

  中新姬小满奖励别的英雄网12月27日电 据路姬小满奖励别的英雄透社报道,当地时间12月姬小满奖励别的英雄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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