The History of the Smallpox Vaccine

The world health organization has declared the western hemisphere, the entire western hemisphere, poleo free since 19 94. But yet we still continue to give kids four doses of poleo to protect against a virus that doesn't even exist. Jona sulk: Do you think parents should still give those and if not, do you think it was a good thing for humanity that that technology was developed and deployed? While smallpox vaccine, we stopped giving it to the general population in 19 72, because it was causing more side effects and long term complications.