There are people who can't take vaccines because if medical conditions, that's why we need herd immunity, not to mention the possibility to eradicate a disease

There are people who can't take vaccines because if medical conditions, that's why we need herd immunity, not to mention the possibility to eradicate a disease completely like the smallpox. There is a point where the your personal choice affects thousand upto millions negatively. At that point it stopps to be a perosnal choice.