CDC主任说口罩防新冠比疫苗有效

来源: 辛迪16 于 2020-09-16 15:51:00 [旧帖] [给我悄悄话] 本文已被阅读：次

CDC director: Masks are better defense against COVID-19 than vaccine *****FrDhLyHt26 pic.twitter.com/LRFf8u1ihl
— The Hill (@thehill) September 16, 2020