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Aug. 18th, 2010 12:09 pmWhooping Cough is making a comeback, even among the vaccinated
There are several explanations for the rise in pertussis, but the most likely is waning immunity after vaccination. “Immunity wears off, especially for adults who are decades past their most recent vaccination,” said Dr. Tom Clark, an epidemiologist with the C.D.C.
Get your booster shots, yo.