When and where do you really have to wear a mask? Learn about COVID-19 mask mandates, when to wear a mask, and what type to choose.
No mask mandate in Philadelphia schools for 2023-24 school year - CBS Philadelphia
Masks save lives: Here's what you need to know - Harvard Health
Philadelphia reinstates mask mandate in response to newest COVID-19 variant
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Hong Kong to lift one of the world's longest Covid mask mandates
Vulnerable to COVID-19, patient calls retreat of hospital mask mandates a 'betrayal' - WPR
COVID-19 Mandates: When You Should Wear a Mask
Why we should all be wearing face masks
Why no one is talking about new mask rules even as COVID-19 rises in L.A. - Los Angeles Times
U.S. will extend COVID-19 transport mask mandate through Jan. 18
Most Parents Don't Want Their Schools to Require COVID-19 Vaccination, But Most Favor Requiring Masks for Unvaccinated Children and Staff
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Observed Face Mask Use at Six Universities — United States, September–November 2020
Who does (or doesn't) wear a mask? Partisanship explains response to COVID- 19