Mumps outbreaks among vaccinated persons in university settings have increased. In 2016, large mumps outbreaks occurred at four Indiana universities. At some universities documentation of receipt of 2 doses of measles, mumps, and rubella vaccine (MMR) was not available and required substantial personnel time to verify. Implementation of policies for excluding susceptible persons from classes … Continue reading Failing MMR? Mumps Outbreaks in Vaccinated Population