How well your mask works depends on how well it fits. Wearing two snug masks made of different materials offers 95% protection from exposure to aerosols that could contain the coronavirus.
Feb. 11, 2021 • ~9 min
Experts weigh in on whether they will sit and eat at a restaurant.
Dec. 23, 2020 • ~9 min
More than 200 scientists wrote to the WHO, warning about aerosol transmission of the coronavirus. The WHO has since acknowledged the evidence but hasn't change its advice yet.
July 9, 2020 • ~9 min
People are getting sick from coronavirus spreading through the air – and that's a big challenge for reopening
SARS-CoV-2 can be spread through the air. But just how much of a factor that is has been hard to determine. Recent evidence suggests it is common, posing problems as public places begin to reopen.
June 16, 2020 • ~9 min
Masks help stop the spread of coronavirus – the science is simple and I'm one of 100 experts urging governors to require public mask-wearing
Recommendations around mask usage are confusing. The science isn't. Evidence shows that masks are extremely effective to slow the coronavirus and may be the best tool available right now to fight it.
May 14, 2020 • ~10 min