While for-profit theater owners and operators agreed to stop checking proof of vaccination this week, several nonprofit Broadway theaters continue to require it.While for-profit theater owners and operators agreed to stop checking proof of vaccination this week, several nonprofit Broadway theaters continue to require it.Read MoreTheater, Vaccination Proof and Immunization Records, Masks, Coronavirus (2019-nCoV), Theaters (Buildings), Times Square and 42nd Street (Manhattan, NY), Lincoln Center Theater, Shubert Organization, Roundabout Theater Co
