Originally published on May 19, 2021 6:19 am As more states shed their universal mask mandates for those who are vaccinated, many Americans are weighing how much faith to put in the new guidance from the Centers for Disease Control and Prevention and in the integrity of their unvaccinated peers, who are supposed to follow the rules and keep wearing masks. In the wake of last week's surprise announcement from the Biden administration that vaccinated individuals can safely forgo their masks in most indoor public settings, governors of many states — Maryland, Kentucky, Oregon and New York among them — are revising their mask mandates.