Airplane filters remove 99% of particles, experts say, which can help keep transmission of COVID-19 low on flights. But face masks provide an additional layer of protection -- especially if you're ...
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 ...
Some of the worst air quality levels on record on the East Coast are impacting consumer shopping patterns and driving air purifier stocks higher. People are rushing to buy air filters, humidifiers and ...
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