Face mask effectiveness: What we know now 02:59. When the COVID-19 pandemic took off in 2020, so too did questions over the effectiveness of wearing a face mask to prevent the spread of the virus.

Masks are effective but here's how a study from a respected group was misinterpreted to say they weren't "It's not a study of the mask but of intervention to get people to wear a mask." ...

While they found masks in general provided a 9% reduction in COVID-19 cases, surgical masks were more effective and reduced cases by 11%. Researchers say effectiveness continued to climb among ...

Heavy duty N95 and KN95 masks are best at warding of COVID-19, while commonly worn surgical and cloth face coverings filter only about 10 percent of exhaled aerosols, according to a new study.

Coronavirus Multi-layered cloth masks as effective as surgical mask, study suggests Well-fitted, three-layered cloth masks were found to reduce coronavirus exposure by up to 75% ...

MIT engineers designed an affordable, reusable face mask that’s as effective as an N95 — take a look; Bill Gates suggests calling out non-mask wearers—but here’s what experts say you should do ...

Masks and social distancing are an important part of the push to slow the spread of Covid-19—especially with nearly a quarter of eligible Americans still holding out on getting a shot. Now, let ...