Enlarge / Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, testifies during a Senate Health, Education, Labor, and Pensions Committee hearing on Capitol Hill on January 11, 2022 in Washington, DC. Getty | Shawn Thew
As cases of the ultra-transmissible omicron coronavirus variant continue to increase in the US, many experts have pushed for Americans to upgrade their masks to better protect themselves—i.e., ditch the handmade cloth masks that were fashionable in spring 2020 for options like the high-quality N95s and KN95s that are now more available.
Taking note of the shift, the Centers for Disease Control and
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