All that I can say is that everyone I knew who only got the first two are still around today and in seemingly good health but who knows how many of them really got placebo's in the first rounds*. It's only those who took boosters who have been perpetually sick every month and such.
(I'm pretty convinced there were a lot of placebos when they were first rolled out as it would have been way too sus if tons of people dropped dead just after one shot. The boosters were meant to be where the real damage came from.)
All that I can say is that everyone I knew who only got the first two are still around today and in seemingly good health but who knows how many of them really got placebo's in the first rounds*. It's only those who took boosters who have been perpetually sick every month and such.