Hepatitis A
Hepatitis A (formerly known as infectious hepatitis) is an acute infectious liver disease caused by the hepatovirus hepatitis A virus Most commonly transmitted by the orofecal route, such as contaminated food, hepatitis A does not typically have a chronic stage and will not cause permanent liver damage. The patient's immune system makes antibodies against hepatitis A that confer immunity against future infection. A vaccine is available that will prevent infection from hepatitis A for approximately 15-30 years.