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Published daily in Bend, Oregon, by Western Communications, Inc. Copyright 2007.
By Mike Stobbe / The Bulletin
September 22, 2011
ATLANTA — The whooping cough vaccine given to babies and toddlers loses much of its effectiveness after just three years — a lot faster than doctors believed — and that could help explain a recent series of outbreaks in the U.S. among children who were fully vaccinated, a study suggests.
The....
