Gregory Poland, MD and Robert Jacobson, MD on How Measles Can Occur Primarily in Vaccinated People

Receiving less attention […] is the issue of vaccine failure. … Multiple studies demonstrate that 2–10% of those immunized with two doses of measles vaccine fail to develop protective antibody levels, and […] immunity can wane over time and result in infection (so-called secondary vaccine failure) when the individual is exposed to measles. For example, […]
Another MMR Failure With Mumps Outbreak in Florida

An outbreak of mumps in 12 fully vaccinated students attending University of Florida, Gainesville campus had county health officials scratching their heads at the end of May. According to one media report, an Alachua County Health Department spokesperson said, “These things do happen. It’s a phenomenon that’s not completely understood,” and reassured students and the […]