Didn’t a lot of people get this one because it was a one-jab deal?
Now they’re suggestion a booster shot after 2 months.
A second dose of Johnson & Johnson’s vaccine substantially increased its protection against the coronavirus, the company said.
In a clinical trial, two shots delivered 94% efficacy against mild to severe Covid-19, up from 74% for a single dose.https://t.co/kwrt44Y39D
— The New York Times (@nytimes) September 21, 2021
h/t BFD