People who got a booster dose of an mRNA COVID-19 vaccine following primary vaccination with Johnson & Johnson’s adenovirus COVID-19 vaccine generated a stronger antibody response than J&J patients boosted with another one of the sponsor’s adenovirus shots, new data from the US National Institutes of Health shows, throwing a possible wrench in J&J’s ability to capitalize on US boosters.
The US Food and Drug Administration’s Vaccine and Related Biological Products Advisory Committee is expected to vote on 15 October...