abstract |
Provided are a novel composition comprising a viral protein derived from intestinal tract non-A non-B hepatitis (ET-NANB) virus, and a fragment thereof, and a method for preparing and using the composition. Intestinal tract having genome containing region homologous to EcoRI insert of 1.33 kb DNA present in plasmid pTZ-KF1 (ET1.1) carried in E. coli BB4 strain of ATCC Deposit No. 67717 A protein derived from a transmissible non-A non-B hepatitis virus factor. The recombinant viral protein is used as a diagnostic agent and a vaccine. [Selection figure] None |