美国报告首例人感染禽流感死亡病例，生物疫苗概念股走高
周二，美股生物疫苗概念股持续走高。截至发稿，Moderna涨超10%，CureVac涨超3%，辉瑞涨1.75%，葛兰素史克涨超1%。
消息面上，美国路易斯安那州卫生部1月6日报告美国首例人感染H5N1型高致病性禽流感病毒死亡病例。卫生部门表示，这名死者年龄超过65岁，且患有基础疾病，通过接触后院家禽和野鸟而感染了病毒。基因分析表明，禽流感病毒在患者体内发生了变异，这可能导致病情变得严重。到目前为止，调查人员还没有发现任何其他相关病例。
自2024年初以来，美国已报告66例人类H5N1病例。大多数是密切接触奶牛群后受感染，症状较轻微。且尚未发现禽流感病毒人际传播现象。
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