Johnson & Johnson says booster shot increased antibodies in early studies
Two early-stage trials found that a booster dose of Johnson & Johnson's COVID vaccine significantly increased levels of antibodies.
Vials with a sticker reading, "COVID-19 / Coronavirus vaccine/ Injection only" and a medical syringe are seen in front of a displayed Johnson & Johnson logo in this illustration taken October 31, 2020.(photo credit: DADO RUVIC/REUTERS)
