I’ve read multiple articles/studies about types O and Rh- people have less severe covid 19 symptoms

Yes, this became apparent early, in spring 2020, I remember seeing a few doctors mentioning this online. I had pretty much memory-holed this, and it never occurred to me that there might be a correlation between the vax and blood types. This is a great post; it's amazing how much knowledge is on this site.

I’ve read multiple articles/studies about types O and Rh- people have less severe covid 19 symptoms

Yes, this became apparent early, in spring 2020, I remember seeing a few doctors mentioning this online.