You may have heard talk recently about a second COVID-19 vaccine booster shot. But if you’re confused about whether you need one — and what it is — you’re not alone.

We checked in with Chief Infection Control Officer Roy Chemaly, M.D., to learn about eligibility requirements, timing and which type of booster shot is best.

So, who needs a second COVID-19 booster shot?

Anyone age 50 or older, or anyone age 12 or older...