Officials say the number of people in the greater Seattle area believed to have mumps is now 108.
Public Health Seattle & King County said Wednesday that 35 cases of mumps have been confirmed while 73 are probable cases.
Officials say 72 of the cases involve children ages 17 and under. Officials say 64 percent of people in all the cases reported being vaccinated against the mumps.
The majority of people with mumps are children in the Auburn School District. The others live in surrounding areas including Seattle where one case was confirmed Wednesday.