Hundreds of thousands of second-grade schoolchildren, averaging seven years old, will give the answer next year to the most urgent and immediate question confronting medical scientists: Can the vaccine developed by the University of Pittsburgh's Dr. Jonas E. Salk (TIME, Feb. 9) halt the ravages of polio?
Under plans announced this week by Basil O'Connor, president of the National Foundation for Infantile Paralysis, Dr. Salk will widen his testing program in western Pennsylvania to cover more than 5,000 children by midwinter. Then mass field trials on a nationwide basis will get under way on Feb. 8 in a county (still to be...
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