Updated Thu, Jul 31, 2014 1:41 pm
The number of mumps cases in the recent central Ohio outbreak has reached 469 cases.
Columbus Public Health says the number of cases linked to this year's outbreak in Franklin, Delaware and Madison counties is more than in the entire country last year.
Patients have ranged in age from 4 months to 80 years, with many cases linked to Ohio State University in Columbus. The illnesses date back to January.
Officials are still urging people to get the measles-mumps-rubella vaccination.
Ohio health officials also have been battling a measles outbreak in the state this year.