Max,

If you're not up on the latest, the problem with not taking the vaccine is that if you've had the original strain of Covid-19, you do not have much in the way of natural immunity to the variants, which are more easily transmitted and have somewhat more deadly effects. Having had Covid more than six months ago provides some protection, but not complete, against similar strains. Vaccines provide more protection against the variants than having had the virus already. The main thing the vaccines all do is really cut into the likelihood of serious illness from Covid. You may still get it, but death rates are much lower if you do get it.

If you're hesitant about new tech, you might want to opt for the Johnson and Johnson, which uses established methods and old tech. That's what I'll be doing in a week or so.