Now, new studies have determined that double masks offer up to 95% protection against the spread of this disease. The US CDC recommends using surgical masks in combination with cloth masks.
Surgical masks are at third and cloth masks with three ... The CDC estimates that 60% of KN95 masks sold in the U.S. are fake. Standard KN95 masks are manufactured in China and satisfy standards ...
A surgical mask can block large particles, including saliva, to protect both the wearer and surrounding people. However, the loose fit can leave room for smaller particles to get through.