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Learn About Viral Hepatitis

Hepatitis means inflammation of the liver. This condition is often caused by a virus. In the United States, the most common causes of viral hepatitis are hepatitis B virus (HBV) and hepatitis C virus (HCV). Hepatitis B and HCV share modes of transmission and can cause severe liver disease, liver cancer and death. They disproportionately affect different populations, and we have different tools to address each type of viral hepatitis.

Hepatitis B and hepatitis C are contagious liver diseases that range in severity from a mild illness lasting a few weeks to a serious, chronic, lifelong illness due to the virus attacking the liver. Both HBV and HCV infection begin as acute infections; but in some people, the virus remains in the body, resulting in chronic disease and long-term liver problems unless treated. There are vaccines to prevent hepatitis A and HBV; however, there is no vaccine for hepatitis C. Both HBV and HCV can be diagnosed with a simple blood test. There is no cure for HBV, but with proper care and antiviral treatment, if recommended, individuals can reduce the risk of serious liver damage. New drugs can now cure most cases of HCV.

Hepatitis B Basics

Learn about the populations most affected, how hepatitis B is prevented, transmitted, diagnosed, and treated.

Hepatitis C Basics

Learn about the populations most affected, how hepatitis C is prevented, transmitted, diagnosed, treated, and cured.

Assess Your Risk, Take Action

Use these easy online tools to find out if you’re at risk for hepatitis B or hepatitis C, then take action!

Data and Trends

Learn about recent increases in HBV and HCV infections in the U.S. and what the latest data shows about liver cancer and deaths due to viral hepatitis.
Content created by Office of HIV/AIDS and Infectious Disease Policy
Content last reviewed on May 13, 2016