J&J’s COVID vaccine is dead in the US; FDA revokes authorization - Enlarge / Boxes of Johnson & Johnson's Janssen COVID-19 vaccine at ... - https://arstechnica.com/?p=1945919 #johnson&johnson #pfizer/biontech #adenovirus #covid-19 #emergent #science #moderna #novavax #vaccine #health #pfizer #mrna #cdc #fda #jj