Amid a shortage of medical-grade masks, federal guidelines now recommend everyone wear face coverings out in public. Here's ...
Nurses, researchers and workplace safety officers worry new guidelines from the Centers for Disease Control and Prevention might reduce protection against the coronavirus and other airborne pathogens ...
With Covid spreading at high levels in New York and Los Angeles, the Centers for Disease Control and Prevention now recommends that people in those areas wear masks indoors and on public ...
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