10/11/1948
https://www.presidency.ucsb.edu...
"It is hereby amended, effective as of February 15, 1945, to read as follows"
"As the total cases mounted, panic spread; fantastic cures were advertised, for sale and not for sale."
"We can do our part by giving to the March of Dimes."
"Let me show you by an example what the National Foundation for Infantile paralysis has achieved."