Clinical infectious diseases : an official publication of the Infectious Diseases Society of America
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In response to a mumps outbreak at the University of Iowa and surrounding community, university, state, and local health officials implemented a vaccination campaign targeting students <25 years of age with an additional dose of measles-mumps-rubella (MMR) vaccine. More than 4700 vaccine campaign doses were administered; 97% were documented third doses. We describe the epidemiology of the outbreak before and after the campaign, focusing on cases in university students. ⋯ Following a large additional dose MMR vaccination campaign, fewer mumps cases occurred overall and in the target population.