Risk of pertussis increases as time since last dose of DTaP vaccine lengthens
Wednesday, November 28, 2012 - 00:00
in Health & Medicine
In an examination of cases of childhood pertussis in California, researchers found that children with pertussis had lower odds of having received all 5 doses of the diphtheria, tetanus, and acellular pertussis vaccine (DTaP) vaccine series.