葛兰素史克(GSK.US)盘前涨1.8%。消息上，葛兰素史克正在英国对一大群老年人进行研究，以确定其畅销的带状疱疹疫苗Shingrix是否能降低患痴呆症的风险。这可能为扩大该疫苗的适应症打开大门。据悉，该研究从2023年开始，为期四年，面向140万65岁至66岁的老年人，其中一些人接受了Shingrix疫苗注射，一些人则没有。一些研究已经表明，带状疱疹疫苗与降低患痴呆症风险有关。然而，这些研究着眼于已有的数据，只能确定可能的关联，而不能确定因果关系。(格隆汇)

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