Covid-19 vaccines are rolling out, and for many they could be mandatory. But how do we really know if they’re safe and how well they work? I’ll be talking with a variety of scientists to learn what vaccines do once they get into your body, and how they might end the pandemic if anti-vaxxers don’t slow things down.

“Follow the Science" is produced, written, and hosted by Faye Flam, with funding by the Society for Professional Journalists. Today’s episode was edited and scored by Seth Gliksman. If you’d like to hear more "Follow the Science," please like, follow, and subscribe!