With the delta variant surging and health officials urging indoor mask use — and requiring masks indoors for many Bay Area locations — you've likely pulled out ...
DETROIT – Researchers are learning more about what makes a cloth mask more effective against the spread of coronavirus (COVID-19). A new study in the medical journal, Thorax, indicates that layers are ...
If possible, wear a surgical mask (aka one of the disposable masks usually made of blue paper) as your first layer, then add a cloth mask on top, Dr. Subramanian said. That's because the cloth mask ...
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