The new bivalent vaccine might be the first step in developing annual Covid shots, which could follow a similar process to the one used to update flu vaccines every year. Here’s what that process looks like, and why applying it to Covid could be challenging.
Illustration: Ryan Trefes
More from the Wall Street Journal:
Visit WSJ.com: http://www.wsj.com
Visit the WSJ Video Center: https://wsj.com/video
On Facebook: https://www.facebook.com/pg/wsj/videos/
On Twitter: https://twitter.com/WSJ
On Snapchat: https://on.wsj.com/2ratjSM
#Covid #Vaccine #WSJ
