Yes, face mask protection helps slow the spread of COVID-19
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Explainer: N95? KF94? Which mask is best at protecting against COVID-19 | Reuters
Engineers design a reusable, silicone rubber face mask | MIT News | Massachusetts Institute of Technology
Wear a mask! OK, but what kind? - CalMatters
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Why mask mandates are lifting in hospitals across Canada | CBC News
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Anticipating N95 mask shortage, Ontario hospital turns to full-face snorkel masks | CTV News
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How well do face masks protect against COVID-19? - Mayo Clinic
CDC tweaks its COVID rules on wearing masks in nursing homes and hospitals | Health News Florida
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China coronavirus: only one correct way to wear mask, says Malaysian mythbuster. Here it is | South China Morning Post
