美国的公共卫生系统是滥透了,从CDC到州县,导致了疫苗施打的缓慢

来源: 2020-12-28 08:40:21 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

https://www.cnn.com/2020/12/23/health/vaccine-rollout-slow-data-lags/index.html