Viral Hepatitis

Hepatitis is defined as an inflammation of the liver. Hepatitis is commonly caused by a virus. The most common types are Hepatitis A, Hepatitis B, and Hepatitis C. There are two other types, Hepatitis D and Hepatitis E, which are more common in other countries. To learn more about Hepatitis, see RESOURCES in the right-hand column. For data and statistics specific to Hepatitis, see IQuery and/or under RESOURCES in the right-hand column.
Viral hepatitis is the leading cause of liver cancer and the most common reason for liver transplantation. An estimated 4.4 million Americans are living with chronic hepatitis but most do not know that they are infected.

There are vaccines available for Hepatitis A and Hepatitis B. For more information about and to learn if you should be vaccinated, use the Hepatitis Risk Assessment tool under "Resources" (in the right-hand column).