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Whooping Cough Reemergence Traced Back to Vaccine Failure and Flawed Assumptions

The pertussis (whooping cough) vaccine is included as a component in "combination" shots that include tetanus and diphtheria (DPT, DTaP, Tdap) and some pertussis-containing shots now also include polio, hepatitis B and/or Haemophilus Influenza B (Hib). Whole cell pertussis vaccines in DPT, used in the U.S. from 1949 until the late ‘90s, were estimated to be between 30 and 85 percent effective, depending upon the type of DPT and vaccine manufacturer, with protection lasting only two to five years.  Read more..

 

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