The injectable came out first and was used in 1955 and the rest of the 50s, which was supplanted by the oral when they thought it was more effective and easier to give, and rolled out nationwide in the early 1960s--specifically, I think, in 1963 all schoolchildren received it. After several high-profile deaths, not to mention probably hu…
The injectable came out first and was used in 1955 and the rest of the 50s, which was supplanted by the oral when they thought it was more effective and easier to give, and rolled out nationwide in the early 1960s--specifically, I think, in 1963 all schoolchildren received it. After several high-profile deaths, not to mention probably hundreds of thousands of unacknowledged cases of neurological damage, as in your relatives case, and my case also, they slowly stopped using it and the last use in the USA was in 2000, I believe.
The injectable came out first and was used in 1955 and the rest of the 50s, which was supplanted by the oral when they thought it was more effective and easier to give, and rolled out nationwide in the early 1960s--specifically, I think, in 1963 all schoolchildren received it. After several high-profile deaths, not to mention probably hundreds of thousands of unacknowledged cases of neurological damage, as in your relatives case, and my case also, they slowly stopped using it and the last use in the USA was in 2000, I believe.