Sometimes you may get a reaction to it, sometimes you may not get a reaction to it,” Al-Alasadi said. You can expect reactions to the booster similar to a flu shot, and higher protection against COVID and its variants. “I highly recommend getting it. I don’t know why you wouldn’t. Especially if you got the first two doses. With all these new variants, things are opening back up, we’re going back to normal life. Why would you not get the booster shot? It can’t hurt,” Srestha Shing, a vaccinated medical student said.