Whooping Cough Vaccine Wanes Over Time, Kaiser Permanente Vaccine Study Center Reveals
9/13/2012 8:14:17 AM
t’s news that’s certain to ignite debates over vaccines again: researchers say that the childhood immunization against whooping cough fades substantially over time, leaving even fully vaccinated children vulnerable to infection. Weakened protection may be a major contributor to the current outbreak of whooping cough, or pertussis, in the U.S. — the largest in decades — the new study suggests.
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