Medicine: Polio and Lungs

Chicago's impecunious Board of Education this summer found $900,000 to enable public schools to open a week ahead of time (see p. 22). But the continued prevalence of infantile paralysis in the city last week gave a good excuse to postpone the opening.

Thus far this year about 5,000 children of the nation have developed poliomyelitis. By this time last year about 2,000 children had it. But the difference does not alarm epidemiologists of the U. S. Public Health Service, who call the current occurrence a "mild epidemic," because its cases are diffused over...