Thier own studies from 2015 told them this already. In fact, previous CDC studies proved that cloth face masks, even when worn by doctors, increases disease infection rates. Link: https://bmjopen.bmj.com/content/5/4/e006577 The fact that they are saying anything to the contrary now only further proves that the CDC is as politically biased as the FBI, and as such no longer works with public / societal benefit as a goal. It's time to add that shit organization to the chopping block as well.