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Study: Whooping cough vaccination fades in 3 years
Forbes
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 ...
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Study: Whooping Cough Vaccine May Only Last 3 YearsFOX 9 News
Study: Whooping cough vaccination fades in 3 yearsOcala
WPXI Pittsburgh -USA Today
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