Mumps Outbreak at San Diego State Exposes Waning Immunity The recent mumps outbreak among student athletes at San Diego State University serves as a stark reminder that widespread vaccination efforts have not eliminated vaccine preventable diseases.
In fact, California has been one of the hardest hit states in recent years.
According to the Centers for Disease Control and Prevention (CDC), there have been 157 reported cases across the country, with Maryland, California, and New York City bearing the brunt of the outbreak.