The document discusses the different types of hepatitis viruses. It states that hepatitis A, B, and C are the most common types, which can be contracted through contaminated food/water or bodily fluids. Hepatitis A has a vaccine that is given in two doses six months apart, while hepatitis B has a three dose vaccine series. There is currently no approved vaccine for hepatitis C. The document provides information on symptoms of the different hepatitis types and vaccines.