California officials are battling the worst whooping cough epidemic to hit the state in seven decades as a recent rebound in cases raises questions about the effectiveness of the pertussis vaccine. Doctors emphasize that the inoculation has led to fewer deaths than in the past and in instances where people do get sick, their illnesses aren’t as severe.
Whooping cough epidemic: California's worst in 70 years
by Research Team | Dec 13, 2014 | Health News | 0 comments