Public Safety

San Diego County confirms mumps outbreak at San Diego State

County health officials identified five confirmed or probable cases among student athletes and are coordinating notifications and testing with SDSU.

Image credit: CDC/NIP/Barbara Rice via Wikimedia Commons, public domain; archival clinical image

The County of San Diego’s Public Health Services confirmed a mumps outbreak at San Diego State University on September 18. Officials said five confirmed or probable cases had been identified among student athletes on one team, with the first known symptoms beginning September 6. The county is working with SDSU and the California Department of Public Health on campus notifications and testing for known close contacts.

What it means locally

The county said the cases were confined to student athletes on a single team as of its September 18 announcement. Public Health Services and SDSU were notifying the campus community and testing known close contacts.

Mumps spreads through close contact and respiratory droplets. The county says MMR vaccination lowers the risk of complications, while immunity can decrease over time. Because case counts and campus guidance can change, readers should use the linked county notice and SDSU updates for current information.

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