CDC study finds two masks are better than one vs. COVID-19

Double Masking

NEW YORK (AP) — A new government study finds that wearing two masks can be better than one in protecting against coronavirus spread. But health officials are stopping short of recommending that everyone double up. The Centers for Disease Control and Prevention on Wednesday reported the results of a lab experiment. The researchers found that particles were blocked twice as much when two masks were worn. The CDC is updating its guidance to address wearing two masks. It says that a cloth mask worn over a surgical mask can tighten the gaps around the mask’s edges that can let virus particles in.

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