cdc: masks protect the wearer and everyone else

People who wear masks protect both themselves and everyone else around them, according to CDC's latest guidance. The agency said "adopting universal masking policies can help avert future lockdowns," especially in combination with practicing social distancing, proper ventilation and hand washing, NBC News reports. The new guidance cites studies that indicate masks can reduce the likelihood of transmitting or catching the novel coronavirus by more than 70%, according to CNN.

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