The "cleared infection + vax" is statistically similar to "cleared infection" btw.

Also natural infection antibodies have been shown to last for at least 20 months. We know vaccine one wanes in 3-6 months.

There's also some evidence on those with prior infection having higher chances of side-effects, though more research is needed.

https://covid.joinzoe.com/post/vaccine-after-effects-more-co...