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America defeated measles in 2000. Vaccine opposition brought it roaring back.
NBC News ·
An NBC News investigation finds three-quarters of counties with recent data on kindergarten immunization rates are below the threshold for community measles protection.
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- NBC NewsAmerica defeated measles in 2000. Vaccine opposition brought it roaring back.An NBC News investigation finds three-quarters of counties with recent data on kindergarten immunization rates are below the threshold for community measles protection.