The Oral Poleo Vaccine, Is the Killed One?

The oral vaccine is the live vaccine. And in about one to two out of a million cases, it would revert back to an active form of polio. A previously healthy child, through inoculation, would get poleo. We are now down to zero cases of poleo in africa in two thousand 15. More kids are experiencing a vaccin related paralysis than poleo. So we're going to have to go from ine that costs almost nothing and is very effective no matter where you take it, to the killed vaccine,. The much more expensive second poleo vaccine, the the salk vaccine, which is less, less effective but it still its. It's probably almost as effective