Telling vaccinated people they can discard their masks signals the power of the shots, but critics say the move is hasty and difficult to implement with a majority of Americans still unprotected.
Right now pediatricians urged parents to remain cautious and vigilant, as so much remains unclear about how the new policy will affect transmission in communities and nationwide.
After decades of chronic underfunding, U.S. public health departments last year showed how ill-equipped they are to carry out basic functions, let alone serve as the last line of defense against a pandemic.