The Vaccine Did It: Mutated MMR Mumps Virus in the Brain of a Child Caused His Death, British Researchers Confirm
A toddler who developed severe neurological symptoms including blindness associated with chronic encephalitis and died following MMR vaccination was found to have vaccine-derived mumps virus in his brain, a new study reports.
Published in the current issue of the journal, Acta Neuropathologica, the study is the first of its kind to conclusively demonstrate chronic brain damage in the form of “panencephalitis” due to a vaccine-derived strain of the mumps virus. In light of a recent epidemic of mumps in highly vaccinated populations, the research raises questions about the dangers of live vaccine virus mutations and about public health claims that the MMR is a completely safe and effective vaccine without serious side effects.