“We found that wearing a face mask doesn’t stop the particles 100 percent, but it does slow down the cough jets,” said Dhanak, adding that keeping a distance of at least six feet is important.

WASHINGTON, June 16, 2020 -- Face masks are thought to slow the spread of viruses, including the novel coronavirus that causes COVID-19, but little is known about how well they work. In an issue ...

However, it fails to eliminate it completely, according to the authors. Though wearing a mask that fits close to the face significantly reduces the droplet cloud, some droplets continue traveling to ...