有降低老年人新冠重症和死亡风险的“特效药”吗？如何解决疫苗接种者的后顾之忧？专访专家王华庆 | Cctv「面对面」
Synopsis
截至2022年5月21日，全国累计报告接种新冠疫苗超33亿剂次。中国疾控中心免疫规划首席专家王华庆介绍，新冠疫苗能够减少死亡 ...
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