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Should mask regulations be enforced again? – The Checkup With Dr. Wen

Masks work to reduce your risk of contracting a respiratory illness. If you’re going to wear a mask, you should wear the highest-quality one. Consider which situations are highest-risk for virus transmission. You might decide not to wear a mask in an airport’s empty security lines or while walking through spaces where people are spread out. But then slip one on during boarding, when dozens of people are packed together in an unventilated jet bridge.