The Oxford/AstraZeneca vaccine induced a stronger cellular immune response in elderly adults than the BioNTech/Pfizer shot, potentially providing more protection against severe Covid-19 and new virus variants.
与BioNTech/辉瑞(Pfizer)疫苗相比,牛津(Oxford)/阿斯利康(AstraZeneca)疫苗在老年人体内引发更强大的细胞免疫反应,针对新型冠状病毒肺炎(COVID-19,即2019冠状病毒病)重症和新病毒变种提供更多潜在保护。
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