County Health Officials Confirm Mumps Outbreak at San Diego State University
County health officials have confirmed a mumps outbreak at San Diego State University.

San Diego, CA, September 18, 2026 —
County health officials have officially confirmed an outbreak of the mumps virus affecting individuals at San Diego State University (SDSU). The confirmation comes as public health authorities monitor the spread of the infectious disease within the university community.
The mumps virus is known to spread through close contact with an infected person, typically via respiratory droplets released when an infected person coughs or sneezes. Symptoms of mumps can include fever, headache, muscle aches, fatigue, and swelling of the salivary glands, commonly known as parotitis. For some individuals, the infection can lead to more serious complications.
Details regarding the specific number of cases identified, the timeline of the outbreak, or any specific dates of diagnosis have not been publicly disclosed by county health officials at this time. The contractor responsible for any public health response or specific details about their involvement were also not provided.
San Diego State University has been notified of the confirmed outbreak. Information regarding public health recommendations for students, faculty, and staff, including guidance on prevention, symptom recognition, and seeking medical attention, has been disseminated. The precise measures being undertaken by the university or public health agencies to contain the outbreak were not specified in the available information.
County health officials are urging individuals who believe they may have symptoms of mumps or have been in close contact with a confirmed case to consult with a healthcare provider. Further information and guidance are expected to be released as the situation evolves.
The specific origins and full scope of the mumps outbreak at San Diego State University remain under investigation by local health authorities. Information on vaccination status or the impact on campus operations was not immediately available.
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