@DrTomFrieden At currently levels of community spread in many places, everyone circulating in public has had contact with someone who was sick whether they know it or not.
@Tomfrieden博士目前，在许多地方的社区传播水平上，每个在公共场合传播的人都与生病的人有过接触，无论他们是否知道。
@DrTomFrieden At currently levels of community spread in many places, everyone circulating in public has had contact with someone who was sick whether they know it or not.
@Tomfrieden博士目前，在许多地方的社区传播水平上，每个在公共场合传播的人都与生病的人有过接触，无论他们是否知道。