Johnson & Johnson January 29, 2021 10:20 am Johnson & Johnson Says Vaccine Is 66% Effective Johnson & Johnson said Friday that in the U.S. and seven other countries, the single-shot vaccine was 66% effective overall at preventing moderate to severe illness Local 0:47 WATCH: Comet fragment lights up the sky in Portugal 1:43 World reacts to death of Iran's president 1:58 ICC seeking arrest warrants for Israeli and Hamas leaders 1:07 Cargo ship that crashed into Baltimore bridge moving back to port 1:02 Celtics, Pacers to meet in 2024 Eastern Conference Finals
