Ideally, everyone (not just medical workers) should be using a KN95 or N95 mask for optimal protection when COVID cases are high or when there's a contagious variant like Omicron, according to the ...

High-quality KN95 masks, which offer similar protection ... according to the CDC — this guidance applies to all masks. Which are better: KN95s or N95s? “N95 masks remain the option with ...

Out of all the different face masks you can choose from, one type is the most protective, according to the Centers for Disease Control and Prevention: N95 respirators. They’re designed to filter ...