How do you know I didn't? Or that others haven't? How about control of smallpox, diphtheria, tetanus, yellow fever, whooping cough, polio, and measles? Proof positive comes from UNICEF and the World Health Organisation who I would trust given the status and experience in these matters. And no, I don't accept a conspiracy or wish to "follow the money" in this case. Millions of children around the world are alive because of vaccination programs.