Hepatitis caused by a virus. Five different viruses (a, b, c, d, and e) most commonly cause this form of hepatitis. Other rare viruses may also cause viral hepatitis. See hepatitis. The following lists the types of hepatitis and their mode of transmission. : hepatitis a

:: contaminated food and water

:: sexual intercourse

:: sharing infected needles

:: blood transfusion

:: mother to newborn at birth

:: sexual intercourse

:: sharing infected needles

:: blood transfusion

:: sharing infected needles

:: contaminated water from poor sanitation.