Whooping Cough Vaccine Too Weak To Protect Against Disease?

The United States might see the highest number of cases of whooping cough in more than five decades this year, possibly caused by a weaker vaccine, many experts say. The Diphtheria, Tetanus, acellular Pertussis (DTaP) vaccine for children has not been as effective in protecting against whooping cough as the older version that was available nearly two decades ago, according to a study published today in the Journal of the American Medical Association. 19,450 cases of whooping cough, also...Full Story
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