Breaking Down The Rise of Sexually Transmitted Diseases In California Monday, October 31, 2016 | Sacramento, CA Listen / download audio Update RequiredTo play audio, update browser or Flash plugin. The rate of sexually transmitted diseases in California is increasing rapidly. Dr. Dean Blumberg, chief of pediatric diseases at the UC Davis Children's Hopsital, shares facts and statistics STDs in the state. For free and confidential testing, the Centers for Disease Control and Prevention finds locations near you. The California Department of Public Health has up-to-date data on STDs.