辉瑞莱姆病疫苗有效率73%,惟试验结果存不确定性

格隆汇
Yesterday

辉瑞公布,研发中的莱姆病疫苗在临床试验中显示73%有效率,但由于研究期间实际感染病例少于预期,未能明确达到试验原定的有效性标准。这主要是因为参与试验的美国、加拿大及欧洲高风险人群中,实际感染人数低于预期,影响数据判断,但不代表疫苗无效。辉瑞计划向监管机构提交疫苗上市申请。

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