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Hepatitis is inflammation of the liver, which can be caused by viruses, toxins (including alcohol) and other conditions that cause inflammation throughout the body.  The types of hepatitis we are most interested in are the ones that are caused by viruses that can be transmitted from person-to-person.

Viral hepatitis (i.e., hepatitis A, hepatitis B, hepatitis C, hepatitis D and hepatitis E) are all reportable in Orange County.  To report a case, health care providers/facilities should call OCHCA Epidemiology at 714-834-8180, fax reports to 714-560-4050, or mail to P.O. Box 6128, Santa Ana, CA  92706-0128.  Time frames for reporting depends on the virus type and can be found on the list of reportable diseases ( or the disease-specific webpages.

Last reviewed December 6, 2018