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:max_bytes(150000):strip_icc()/protective-mask-GettyImages-1218916161-f36d609d5bfd46b79b98a00faa0f6073.jpg "When Do You Have to Wear a Mask?")
When Do You Have to Wear a Mask?
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Double masking can block 92% of infectious particles, CDC says | CNN
COVID-19: Are Surgical and N95 Masks Effective for Children?
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Are cloth masks effective for Covid? Surgical masks vs. KN95 explained
6 doctors share which face masks they wear to protect themselves from COVID-19 - MarketWatch
