Twisted because a contagious virus is not just a personal issue. The virus will continue to mutate and weaken the efficacy of both natural immunity and the vaccine if its spread is not halted.
Abortion isn't a personal issue - it affects the life of the unborn baby. That's why abortion activists have talk about bodily autonomy so heavily.
Meanwhile, vaccines not only don't stop you spreading COVID but they appear to make it worse as UK and Swedish data shows. Thus there could easily be an argument to force you to not take the vaccine, on the grounds that you don't personally need the protection and it makes the epidemic worse. Would you like that?