viral hepatitis type D


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vi·ral hep·a·ti·tis type D

acute or chronic hepatitis caused by a satellite virus, the hepatitis delta virus, a defective RNA virus requiring HBV for replication because it uses HBsAg as its own coat. The acute type occurs in two forms: 1) coinfection, the simultaneous occurrence of hepatitis B virus and hepatitis delta virus infections, which usually is self-limiting; 2) superinfection, the appearance of hepatitis delta virus infection in a hepatitis B virus carrier, which often leads to chronic hepatitis The chronic type appears to be more severe than other types of viral hepatitis.

vi·ral hep·a·ti·tis type D

(vī'răl hep'ă-tī'tis tīp)
Acute or chronic hepatitis caused by the hepatitis delta virus, a defective RNA virus requiring hepatitis B virus for replication. The acute type occurs in two forms: 1) coinfection, the simultaneous occurrence of hepatitis B virus and hepatitis delta virus infections; 2) superinfection, the appearance of hepatitis delta virus infection in a hepatitis B virus carrier.
Synonym(s): delta hepatitis.