The Centers for Disease Control and Prevention announced Tuesday (April 27) that people who are fully vaccinated no longer need to wear a mask outdoors, except in crowded settings or venues. Additionally, fully vaccinated asymptomatic people who have not been exposed to COVID-19 can be exempted from routine screening testing, if feasible. The announcement was part of a larger CDC interim guidance for fully vaccinated people , which also says that fully vaccinated workers no longer need to be restricted...