President Joe Biden urges states to vaccinate teachers, school staff this month CNBCBiden vows enough vaccine for all US adults by end of May The Associated PressBiden Says U.S. Will Have Vaccine Supply For All Adults By May, Prioritizes Teachers NPRBiden moves to get all teachers a vaccine shot by the end of March The Washington PostBiden prepares blitz of action to prod schools to reopen PoliticoView Full Coverage on Google News