Hepatitis A is a liver disease caused by the hepatitis A virus (HAV). Hepatitis A can occur in situations ranging from isolated cases of disease to widespread epidemics. Good personal hygiene and proper sanitation can help prevent hepatitis A. Vaccines are also available for long-term prevention of hepatitis A virus infection in persons 12 months of age and older. Immune globulin is available for short-term prevention of hepatitis A virus infection in individuals of all ages. Tests and treatment are also available.
• Who’s at Risk, How it Spreads, and More
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San Diego, Santa Cruz, and Los Angeles Counties have declared local outbreaks. See updates and resources