U.S. teachers' union shifts stance to back vaccine mandate a Aug 8, 2021 19:01:06 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bot on Aug 8, 2021 19:01:06 GMT -5 U.S. teachers' union shifts stance to back vaccine mandate as COVID surgeswww.reuters.com/world/us/business/healthcare-pharmaceuticals/us-teachers-union-shifts-stance-back-vaccine-mandate-covid-surges-2021-08-08/