Why Whooping Cough Vaccines Are Wearing Off Doctors race to protect kids as whooping cough vaccines wear off By Maryn McKenna | Tuesday, October 1, 2013 Image: Skip Sterling Advertisement By late summer 2010 an alarming number of children in California had developed pertussis, or whooping cough—five times as many as in the first half of 2009. David Witt, a physician and infectious disease specialist who works at Kaiser Permanente San Rafael Medical Center, cared for some of those sick children. His practice lies in the heart of Marin County, the famously counterculture spit of More…![]()
