By FENIT NIRAPPIL | The Washington Post | Published: January 27, 2021
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Wear your mask is becoming wear your masks.
The discovery of highly contagious coronavirus variants in the United States has public health experts urging Americans to upgrade the simple cloth masks that have become a staple shield during the pandemic.
The change can be as simple as slapping a second mask over the one you already wear, or better yet, donning a fabric mask on top of a surgical mask. Some experts say it's time to buy the highest-quality KN95 or N95 masks that officials have long discouraged Americans from purchasing to reserve supply for health care workers.