DR. ROCHELLE WALENSKY, director of the Centers for Disease Control and Prevention, adjusts her face mask during a Senate Health, Education, Labor and Pensions Committee hearing on the federal coronavirus response on Capitol Hill in Washington in March. Walensky says new mask-wearing guidance, coupled with higher rates of vaccination against COVID-19, could halt the current escalation of infections in “a couple of weeks.” (AP PHOTO/SUSAN WALSH)
Governments and businesses are scrambling to change course following new federal guidance calling for the return of mask wearing in virus hot spots amid a dramatic spike in COVID-19 cases and hospitalizations nationwide. Nevada and Kansas City were among the locations that moved swiftly to re-impose indoor mask mandates following Tuesday’s announcement from the Centers for Disease…