NBC Universal, Inc. Just two days after the FDA and the CDC gave the Johnson & Johnson shot the go-ahead, the one-shot vaccine was met with mixed reactions at a walk-in clinic in Newton Sunday. For most people at Union Pharmacy in Newton Centre, the Johnson & Johnson vaccine came with a shot of relief. Download our mobile app for iOS or Android to get alerts for local breaking news and weather. "I’d like to be able to see my grandparents and not worry about giving them anything," said high school senior Dylan Dincer. "It feels good, I’m feeling good," said Newton resident Kevin Mitchell.