Whooping cough vaccination fades in 3 years, study says

September 19, 2011 at 7:03 pm in Grand Forks Herald

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. Continue Reading