Answering your questions: If I need a COVID-19 booster shot - which one will I get? Your Questions: If I need a COVID-19 booster shot, which will I get? and last updated 2021-04-20 08:45:42-04 BUFFALO, N.Y. (WKBW) â We're working to answer the questions that you send us about COVID-19 and the COVID-19 vaccine. We took some questions that were sent to us to Dr. Thomas Russo from UB's Jacobs School of Medicine. Here are some of the answers to your questions: If I'm vaccinated and it becomes necessary to get a booster shot - will I have to get the booster shot from the same company that made my initial vaccine (Pfizer, Moderna or Johnson and Johnson?)