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.