Non-A, non-B hepatitis antigen, antigen compositions, vaccine and diagnostic reagent

摘要

Non-A, non-B hepatitis antigen, antigen compositions, vaccine and assay test for the detection of non-A, non-B hepatitis antigen. The antigen is characterized as having a particle size of about 2.0 nm to about 5.0 nm, a density of from about 1.24 to about 1.30 g/cm3, contains ribonucleic acid and occurs either free or bound to IgG molecules. The antigen can be isolated by isopycnic banding and chromatographic fractionation, and preferably by enzymatic digestion, isopycnic banding and chromatographic fractionation.