J&J: Booster dose of its COVID shot prompts strong response
LONDON (AP) — Johnson & Johnson said Tuesday that a booster of its one-shot coronavirus vaccine provides a stronger immune response months after people receive a first dose. J&J said in statement that an extra dose — given either two months or six months after the initial shot — revved up protection. The results haven’t yet been published or vetted by other scientists. The J&J vaccine was considered an important tool in fighting the pandemic because it requires only one shot. But even as rollout began in the U.S. and elsewhere, the company already was running a global test of ...