08-1-2013  | 0 Comments  |  by admin  |  Published in Blog Posts

Patients may ask about a widely reported study suggesting that the pertussis vaccine loses its effectiveness as early as 3 years after the last shot of the five-dose series. The study was presented at the American Society for Microbiology meeting earlier this week. Researchers studied some 15,000 children in California, including 132 who developed pertussis in […]