Researchers have suggested that people with compromised immune systems should avoid re-using face masks due to germ growth. The finding was made as part of a Japanese study into face mask hygiene. In ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

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In light of the Omicron variant and at the urging of public-health experts, the CDC has updated its mask guidelines. The agency’s new standards stress that fabric masks are the least protective ...