Bridgeport, Stratford suspend use of Johnson & Johnson vaccine after CDC, FDA recommend 'pause' FacebookTwitterEmail A vial of the new Johnson & Johnson COVID-19 vaccine at the vaccination clinic held for teachers and school staff in Trumbull, Conn. March 4, 2021.Ned Gerard / Hearst Connecticut Media Officials in Bridgeport and Stratford have announced they will not be using the Johnson & Johnson COVID-19 vaccine while its connection to possible blood clots is investigated. The announcements come after the U.S. Food and Drug Administration and the Centers for Disease Control and Prevention called for an immediate pause on the use of the Johnson & Johnson vaccine amid reports of six cases of individuals developing rare but severe blood clots.