Masks are still the best line of defense against COVID-19, especially when paired with other social distancing measures. N95 masks are, of course, the ideal, but they should be reserved for medical ...

Four years ago, long before the pandemic made masks ubiquitous, a U.K.-based startup called Masuku began developing a better face mask to help filter out pollution in smoggy cities. Masks on the ...

As governments around the world struggle to build up a supply of N95 masks for healthcare workers—navigating price gouging, counterfeit respirators, scammers, and fierce competition from other ...

For months, scientists have been saying masks reduce transmission of COVID-19. They now think masks can also make the illness less severe. The reason is the barrier created by a mask likely limits the ...

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