Annual morbidity in the 20th century, before and after vaccines:
Measles:
Before: 530,000, After: 47
Mumps:
Before: 160,000, After: 429
Rubella:
Before: 50,000, After: 3
Diphtheria:
Before: 20,000, After: 2
Smallpox:
Before: 30,000, After: 0
Polio:
Before: 16,000, After: 0
