The good news is the virus is retreating. The bad news is its shape-shifting in a way that might give it a new advantage.  Scientists studying how SARS-CoV-2 is evolving within individual patients figured out why it’s mutated faster, and with greater consequence, then they anticipated last summer. Will vaccines be able to keep up? 

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