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Which type of face mask is most effective against COVID-19? | News
By Janelle Aguilera Ringer
Scientists Put Masks to the Test—With a Cell Phone and a Laser
By Megan Molteni
Do neck gaiters spread coronavirus more easily? Not exactly
By Sarah Mitroff
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The 14 face masks tested in Duke University study, ranked from best to worst
By Catherine Kast & Kirsten Fleming
Neck Gaiters Do Not Curb COVID-19, Study Finds
By Suzanne Rowan Kelleher