Published in Vaccine Weekly, November 19th, 2003
According to a study from the United States, "We estimated the effectiveness of pertussis vaccination in reducing the clinical severity of breakthrough disease among vaccinated individuals from a comprehensive follow-up study of a community of 30,000 residents of Niakhar, Senegal, in 1993."
"A physician examined all children with potential pertussis (cough of 17 days' duration)," said Marie-Pierre Preziosi and M. Elizabeth Halloran at Emory University. "Samples were collected from 97% of these children for culture or serologic testing as part of the active surveillance...
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