I went to the CDC study and first thing I see is “ Please note that this blog is specifically about respirators used by healthcare workers during long shifts and not facemasks worn as barrier control to stop the spread of COVID.” This might be a nothing burger to be honest.
I went to the CDC study and first thing I see is “ Please note that this blog is specifically about respirators used by healthcare workers during long shifts and not facemasks worn as barrier control to stop the spread of COVID.” This might be a nothing burger to be honest.