NEW YORK -- You better start stocking up on your surgical or N95 or KN95 masks. Studies are emerging that cloth masks are not as effective in preventing the spread of COVID. A study released in ...
June 9, 2020 // Editor’s note: The study on which this news story is based has been retracted by the journal. The retraction notice can be found here. Find the latest COVID-19 news and guidance in ...
During an appearance on CNN Tuesday, White House medical adviser Dr. Anthony Fauci said people using cloth masks should consider upgrading to surgical-grade masks as the highly transmissible omicron ...
In a recent study published in BMJ, a team of Norwegian researchers conducted a pragmatic randomized trial to examine whether wearing surgical face masks while in public spaces resulted in a lower ...
This study asked a very interesting question, given the considerable cost difference between the 2 modes of protection against respiratory infections (N95 respirators cost much more than surgical ...