This document provides information about viral hepatitis infections caused by hepatitis B and C viruses. It states that blood and blood exposure has infected over 2 billion people worldwide with viral hepatitis. Only a small percentage, less than 5%, of people living with hepatitis infection are aware that they are infected. Hepatitis B and C can cause chronic liver disease and lead to cirrhosis or liver cancer if not treated. While there is an effective vaccine for hepatitis B, there is currently no vaccine for hepatitis C.