Fear Me Not! I Got My COVID Vaccine.

Last Monday, I got my COVID vaccine; the full effects should be kicking in soon.  How should I change my behavior?  How should anyone?

One popular answer is: Not at all.  Why not?  The top reason I’ve heard is: Because even those of us who have been vaccinated can’t be absolutely sure we won’t be infected – or spread infection to others.  Some use the same reasoning to argue that people who have recovered from COVID shouldn’t change their behavior either.  As immunologist Alexander Sette puts it...