> small pox and polio were eradicated solely because everyone got vaccinated for them fake news, fake history. there were places where smallpox was rare, then they introduced the smallpox vaccine, then people died of smallpox, and some time after vaccines stopped, they declared it eradicated. the original smallpox condition was probably related to poor hyigene, malnutrition, or chemicals.  its often ignored, but they tried to develop vaccines against rickets and scurvy before vitamins were understood.
United States