

People have varying strengths of their immune system outside of autoimmune diseases, they’re not equal. One person’s natural ability to fight off a disease is not the same as another’s. Immune systems also can get overwhelmed. People can even get multiple viruses at the same time.
While scientifically, if I’m not mistaken, natural immunity tends to be a stronger form of immunity once the person survives a disease, surviving the disease is of course not a guarantee for anyone. Vaccination, when available, reduces the chance a person dies to a disease in the same way that warning somebody about something allows them to take preparatory action.
Prefer? Vaccination every time if available. I don’t like getting diseases my body has to scramble to fight.





Even if you were already vaccinated, your body sees the virus and makes more of whatever it needs to in order to kill it when it finds it. Then your body will keep more of that antibody around for the future because it … happened again.