Now keep the ash can covered, never drink out of a stream;
Take care that all the food you eat and kitchenware is clean.
Kill the rats and kill the mice and make the roaches go,
For that's the way to really whip that mean old polio.
In San Antonio last week "Red River Dave" McEnery (TIME, March 18) was yodeling The Polio Song daily over station WOAI. San Antonio, with 30 cases, had a bad case of polio jitters. Nationally, the incidence of infantile paralysis, 813 cases, was up almost 17% over last year. But...