Hepatitis C, E, F, G, and non-A-G.

Inflammation of the liver is known as hepatitis. Six or seven viruses, hepatitis viruses A through G, are responsible for most cases of viral hepatitis. In this second of a series of three articles, current knowledge regarding hepatitis C, E, F, G, and non-A-G is reviewed. Up to 80% of patients infected with hepatitis C progress to chronic liver disease. Hepatitis E is an enteric hepatitis that is endemic in Asia. Hepatitis F may be a mutant hepatitis C. Hepatitis G is a posttransfusion hepatitis. Non-A-G hepatitis consists of all of the hepatitis viruses awaiting identification. Up-to-date information regarding each of these types of hepatitis viruses is presented herein, because every phase of patient care improves when health care professionals are knowledgeable regarding the illnesses of their clients.