Science Health & Safety Johnson & Johnson Says A Booster Shot For Its Vaccine May Have Big Benefits 8:27am August 25, 2021 Science Health Share URL copied to clipboard! Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More Morning Edition National Morning news brief by Leila Fadel World News U.S. and Chinese officials to hold trade talks in London on Monday by A Martínez 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate