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Why wear face masks in public? Here's what the research shows

 


(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)

Hector Chapa, Texas A&M University

(THE CONVERSATION) With the coronavirus pandemic quickly spreading, U.S. health officials have changed their advice on face masks and now recommend people wear cloth masks in public areas where social distancing can be difficult, such as grocery stores.

But can these masks be effective?

President Donald Trump, in announcing the change in the Centers for Disease Control and Prevention's guidance on April 3, stressed that the recommendation was...



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