 [ Symptoms ] how are hepatitis a b and c viruses spread [ Disease ] hepatitis a virus is spread from person to person by putting something in the mouth that has been contaminated with the stool of a person with hepatitis a this type of transmission is called fecal oral  hepatitis b and hepatitis c are spread when blood from an infected person enters the body of a person who is not infected for example through unprotected sex sharing drugs or needles or from an infected mother to her baby during birth