2 doses of Johnson & Johnson's vaccine 85% effective against hospitalizations: South African study Gotham Rex 4 years ago J&J also found its vaccine likely works as a booster for those who got Pfizer. 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 J&J to resume COVID-19 vaccine rollout in EuropeDateApril 21, 2021In relation toNew York CityStrict Vaccine Law Stumbles in N.J. LegislatureDateDecember 16, 2019In relation toNew York CityExperts urge booster shot ASAP for Johnson & Johnson vaccineDateOctober 16, 2021In relation toNew York City
