It was a summer Sunday afternoonno time for kids to be in school. But the high school cafeterias in Virginia's Fairfax County were crammed with yelling youngsters aged one to twelve. Any one of them might have screamed at the prospect of a single injection, but the young Virginians were all about to be jabbed twice. Out of every five, one was to be stuck with a third needle to draw a blood sample in the largest single measles immunization program yet organized in the U.S.
One Time, Two Shots. The original measles vaccine developed...
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