When the COVID-19 pandemic took off in 2020, so too did questions over the effectiveness of wearing a face mask to prevent the spread of the virus. Now, four years later, what does the science say? In ...
Three years after the pandemic began, there's still no scientific consensus on how much protection masks offer. Laboratory studies are clear that masks – especially N95s and KN95s – decrease the ...
Scans of the lungs of the sickest COVID-19 patients show distinctive patterns of infection, but so far those clues offer little help in predicting which patients will pull through. For now, doctors ...
NEW YORK -- You better start stocking up on your surgical or N95 or KN95 masks. Studies are emerging that cloth masks are not as effective in preventing the spread of COVID. A study released in ...
Has your COVID-era mask been a constant companion or is it collecting dust? Americans’ relationship with masking has been fraught (and politicized) since the beginning of the pandemic, a time when ...
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