However, hepatitis A can be serious for older people and people who already have liver disease such as hepatitis B or C. < Previous Hepatitis A Main Next >Search HepatitisSearch this websiteSubmit Hepatitis A: Entire Lesson Share this pageContentsHepatitis AWhat is hepatitis A?How is hepatitis A spread?Who is at risk?How will I know if I have it?What treatments are available?How can I prevent it?W