I think we might need one approx once a year. There's just no way to know yet until there are some studies. I'm encouraged that we aren't just jumping right to it without evidence.
I believe Israel is starting third doses on Aug 1
Why are you focused on 900 people in MA? Why are you focused on people who are protected against severe covid and death?
The entire point is UNVACCINATED people. Our state is not having a massive spike like the southern republican states.