FDA staff finds J&J single-dose vaccine safe and effective.

72% effective in the US. Overall 66% effective globally against multiple strains.

85% effective against severe cases after 14 days. 100% effective against severe cases after 28 days.

Of note, the trial data was analyzed for asymptomatic infection and showed an 88% reduction in that.


https://www.reuters.com/article/us-h...-idUSKBN2AO1LS