Whooping Cough Vaccine Failures Increasing

August 15, 2012 7:45 a.m.

Two years after a KPBS/Investigative Newsource investigation posed serious questions about how well the whooping cough vaccine works, new research confirms the vaccine is failing at a higher rate than expected. Troubling news as the country is on track to experience its worst whooping cough epidemic in 50 years. Health officials are looking at recommending a seventh dose of vaccine to control the outbreak.

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