The President's News Conference
06/01/1949
https://www.presidency.ucsb.edu...
The National Foundation, supported by your gifts, reaches into every corner of the country to find and help the stricken.
The total of dead for that epidemic was more than 20 percent of the victims, most of whom were young children.
If there is one of you who has not yet joined the March of Dimes, I urge you to go now and enlist.
As the total cases mounted, panic spread; fantastic cures were advertised, for sale and not for sale.