It is more important than ever to wear a well-fitting mask. Today's @CDCMMWR finds the better a mask fits, the more protection you have for yourself & those around you. #WearAMask that fits closely over your nose & mouth for it to be more effective

It is more important than ever to wear a well-fitting mask. Today's @CDCMMWR finds the better a mask fits, the more protection you have for yourself & those around you. #WearAMask that fits closely over your nose & mouth for it to be more effective. https://t.co/2b1DS469OH https://t.co/pkuYz2caAN

— Rochelle Walensky, MD, MPH (@CDCDirector) February 10, 2021