Harvard University have admitted that a recent outbreak of mumps occurred in students who were already vaccinated against the disease. The University have sent out an urgent appeal to students, asking them to take “better precautions against infecting each other with mumps”. Authorities at Harvard have admitted in a letter to students that being vaccinated against mumps does not give them immunity: [T]hose who have been vaccinated for mumps—though much less likely to contract the virus—can still be infected. Naturalnews.com reports: By the way, the letter – from Paul J. Barreira, MD, Director: Harvard University Health Services and the Henry K. Oliver Professor of Hygiene – also noted another medical truth: That self-immunization is much more effective than a vaccine. Individuals who have previously had mumps are considered immune to the virus. Much has changed since that initial outbreak. By March, school and local health officials reported that mumps had spread to 16 students, despite the fact that all of them “were fully immunized against the mumps prior to contracting the disease.” Now, at least 40 people are sick with mumps, and that’s got the school’s chief health official worried. “I’m actually more concerned now than I was during any [...]