It's in those links that I sent you. I'm in the middle of working right now so I'll explain more later.
Other vaccines use live or dead viruses so they'll fight that virus.Unlike Covid
None of the Covid vaccines use the actual virus in any part of their ingredients or making of or in any way at all.
So their vaccines don't target the virus itself. You d actually produce antibodies for the virus itself. Instead your body is tricked into attacking a protein the virus needs. Indirect