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).
how are hepatitis a b and c viruses spread?