Hepatitis C is an inflammation of the liver caused by infection with the hepatitis C virus. Hepatitis C infection is caused by hepatitis C virus (HCV). Transmission of the virus usually occurs by blood or semen contact.

Persons who may be at risk for hepatitis C are those who:

• Received a blood transfusion prior to July 1992
• Received blood, blood products, or solid organs from a donor who has hepatitis C
• Injected street drugs or shared a needle with someone who has hepatitis C
• Have been on long-term kidney dialysis
• Have had frequent workplace contact with blood (for instance, as a healthcare worker)
• Have had unprotected sex with a person who has hepatitis C
• Shared personal items, such as toothbrushes and razors, with someone who has hepatitis C
• Were born to hepatitis C infected mother