Begining in the fall of 2011, all children in 7th through 12th grades planning to attend public or private school must submit proof they’ve received a booster shot to guard against whooping cough, also known as pertussis. Landon Hall, reporter for the Orange County Register, writes about one of the most important health-related laws taking effect in California in 2011.
http://www.ocregister.com/articles/booster-282357-disease-school.html