Greta Van Susteren @greta
If this is true (wearing a mask protects wearer,too which does make sense since must block some virus), why in the world did it take until now for the CDC to figure this out and say this? — PolitiTweet.org
CNBC @CNBC
CDC now says wearing a mask protects the wearer, too. (via @CNBCMakeIt) https://t.co/7d72ZHzijz