Viral hepatitis.

Many nurse practitioners are involved in providing care to patients who believe they have either been exposed to or contracted hepatitis. Discoveries and new developments in the field of viral hepatitis have made the diagnosis of hepatitis A and hepatitis B more definitive. Until recently viral hepatitis was simply classified as either infectious or serum hepatitis. This article will focus on recent developments and management of hepatitis A, hepatitis B and non-A and non-B.