- Baby boomers between 1946 – 1965 have a 5x higher risk.
- Those receiving blood transfusion before 1992 and people receiving blood clotting factors before 1987.
- Exposure to unsanitary piercing and tattoo equipment.
- Those with history of injection drug use.
- People infected with the HIV virus.
- Children born to mothers with hepatitis C.
- Dialysis patients.