The U.S. hasn’t OK’d boosters for those who got the J&J vaccine. But some are getting one anyway. – NBC News
In early April, Mark Dinan got the single-dose Johnson & Johnson vaccine at a middle school campus near his home in East Palo Alto, California. He felt fortunate to get a “one-and-done” shot, and the side effects were mild.
But this summer, as the delta…
