POLIO THIS WEEK: SCORE BOARD
When the vaccine was introduced in the United States in the 1950s, polls indicated that polio was one of the nation's two greatest fears, second only to the fear of atomic war. And with good reason: In the 1952 U.S. polio epidemic, 58,000 cases were reported, with 3,145 deaths and 21,269 instances of permanent, disabling paralysis. ................
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