Just in time for the busy holiday travel season, researchers report on a question that will run through many people’s minds as they cram into tightly packed planes: How clean is airplane air? To find ...

Walking into a hospital or onto a plane, masked faces dot the space — many wary of catching something, from the common cold to COVID-19. But a recent study by the Hartmann Lab in the journal ...

Researchers used worn face masks and an aircraft HEPA filter as low-cost, noninvasive tools to sample and analyze airborne microbes. The findings show that shared indoor air is dominated by harmless, ...