The guidance is a split from the C.D.C., which has recommended masks only for the unvaccinated.The guidance is a split from the C.D.C., which has recommended masks only for the unvaccinated.Coronavirus Risks and Safety Concerns, Coronavirus (2019-nCoV), Education (K-12), Vaccination and Immunization, American Academy of Pediatrics, Centers for Disease Control and PreventionRead More