Non-A, Non-B Hepatitis

Abstract
The term "non-A, non-B hepatitis" is applied to cases of what appears to be viral hepatitis that cannot be identified as hepatitis A, hepatitis B or with the hepatitis associated with Epstein Barr virus and cytomegalovirus. A series of papers describing this variety of hepatitis (1-5), including several recently published clinical and epidemiologic studies (6-10), have helped in the understanding of the disease. Antibody to hepatitis A virus can be detected by an immune adherence hemagglutination assay using hepatitis A antigen purified from human stool. The presence of antibody implies previous infection. A rise in anti-HA titer in a serum
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