Cal. Health & Safety Code § 120600

Any person who refuses to give any information to make any report, to comply with any proper control measure or examination, or to perform any other duty or act required by this chapter, or who violates any provision of this chapter or any rule or regulation of the state board issued pursuant to this chapter, or who exposes any person to or infects any person with any venereal disease; or any person infected with a venereal disease in an infectious state who knows of the condition and who marries or has sexual intercourse, is guilty of a misdemeanor.