When vaccinated persons still need to don a mask when they are in crowded places like stadiums and churches, although the odds of them getting infected or infecting others are relatively low—no vaccines can protect them 100% from infection or reinfection.
Mandating a mask-lite strategy in public places, where social distancing is impossible to implement, is likely to be the new normal habit post-pandemic.
by MathPlus June 09, 2021