Earlier quoted context omitted.
As always though, it's not about you, it's about the people around you and the people around them. If we all acted selfishly all the time we'd all die.
My body is not about me? Which people around me are more affected when I take vaccine than me?
Also, nobody said your body is not about you. GP suggested the vaccine is not about you. Indeed, it's not. We vaccinate not to protect ourselves, but to protect society by reducing the spread of disease. The fact that it will also protect you is of course great as well. This is nothing new, and has been the same for every other vaccine.