NPR News: Popular COVID FAQs in 2022: Outdoor risks, boosters, 1-way masking, faint test lines

Popular COVID FAQs in 2022: Outdoor risks, boosters, 1-way masking, faint test lines
Let's revisit some of 2022's still relevant queries. Like: Does one-way masking help? What's the risk of outdoor transmission? What's up with faint lines on tests?

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