disease has primary infectious agent disease arises from feature disease has basis in feature disease has infectious agent hepatitis hepatitis B virus infection infectious disease hepatitis D virus infection https://www.malacards.org/card/hepatitis_d MEDGEN:4182 hepatitis type D Hepatitis D virus EFO:0007304 Inflammation of the liver in humans caused by hepatitis delta virus, a defective RNA virus that can only infect hepatitis B patients. For its viral coating, hepatitis delta virus requires the hepatitis B surface antigens produced by these patients. Hepatitis D can occur either concomitantly with (coinfection) or subsequent to (superinfection) hepatitis B infection. Similar to hepatitis B, it is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact. Orphanet:402823 Hepatitis delta virus caused hepatitis NORD:2020 MESH:D003699 UMLS:C0011226 HDV ICD9:070.52 hepatitis delta Hepatitis delta virus hepatitis Hepatitis D SCTID:707341005 DOID:2047 GARD:0021716 MONDO:0005789 viral hepatitis post-viral disorder Hepatitis B virus Hepatitis delta virus