Johnson & Johnson vaccine 85% effective against severe COVID-19 disease Gotham Rex 5 years ago The vaccine worked better in the U.S. compared to South Africa, where it was up against a tougher, mutated virus. Source: Check out ABC 7 for more… Share: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on Pinterest (Opens in new window) Pinterest Share on Reddit (Opens in new window) Reddit Johnson & Johnson files emergency use authorization application for COVID-19 vaccineDateFebruary 4, 2021In relation toHealth & Fitness,FDA,Coronavirus,COVID-19 vaccine,u.s. & world2 doses of Johnson & Johnson's vaccine 85% effective against hospitalizations: South African studyDateDecember 30, 2021In relation toHealth & Fitness,omicron variant,Coronavirus,COVID-19 vaccine,u.s. & worldFDA restricts Johnson & Johnson's COVID-19 vaccine due to rare but serious risk of blood clotsDateMay 5, 2022In relation toNew York City