@WADOHIssues @DocJeffD @KCPubHealth Loose use of language on their part. It is partial protection i.e. exposure reduction. But then what isn't. I don't know of anything for anything that is 100% effective.
@WADOHIssues @DocJeffD @KCPubHealth 他们使用松散的语言。它是部分保护，即减少暴露。但那不是。我不知道任何100％有效的东西。