All five of the MU students with confirmed cases of mumps had received the recommended measles, mumps and rubella or MMR vaccine.
The Boone County Department of Public Health confirmed the five cases of mumps Thursday. All five students are between the ages of 20 and 23.
Mumps is a virus that can cause fever, body aches, pain and swelling. Children are typically vaccinated for the disease at around one year, and again at 4 to 6 years. According to the Center for Disease Control, two doses are 88 percent effective at preventing the disease.