Hepatitis A is a virus that causes inflammation of the liver. It is transmitted by small particles of shit entering a person’s mouth through activities like arse play or rimming, or by not washing your hands after sex with an infected person. it is more commonly transmitted by sharing eating or drinking utensils, cigarettes, joints or bongs. The symptoms include a mild flu-like illness, vomiting, abdominal pain and jaundice. A blood test will diagnose hep A. Prevention includes and effective hep A vaccination. A combination hep A and B vaccination is also available.