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Delta hepatitis--present status.

M Rizzetto, G Verme

    Journal of Hepatology
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Hepatitis delta virus (Delta) requires hepatitis B virus (HBV) for replication. Delta infection is highly pathogenic, worsening liver disease in HBV carriers and potentially causing fulminant hepatitis.

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    Area of Science:

    • Virology
    • Hepatology
    • Infectious Diseases

    Background:

    • Hepatitis delta virus (HDV) is a defective RNA pathogen.
    • HDV replication is dependent on hepatitis B virus (HBV) helper functions.
    • HDV virions consist of an RNA genome and delta antigen within an HBsAg coat.

    Purpose of the Study:

    • To describe the characteristics of hepatitis delta virus (HDV) infection.
    • To outline diagnostic methods for HDV infection.
    • To discuss the global distribution, transmission, and pathogenicity of HDV.

    Main Methods:

    • Diagnosis involves detecting delta antigen in liver tissue.
    • Serum antibody to delta is also a diagnostic marker.
    • Infectivity studies in primates and non-primates were conducted.

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    Main Results:

    • HDV is infectious for primates and can adapt to non-primates.
    • Global distribution is worldwide, with high prevalence in specific regions.
    • Transmission occurs via parenteral and non-parenteral routes.

    Conclusions:

    • HDV is highly pathogenic, causing or exacerbating liver disease in HBV-positive individuals.
    • Superinfection with HDV can lead to fulminant hepatitis or accelerate chronic liver disease progression.
    • Hepatitis B surface antigen (HBsAg) carriers are likely reservoirs for HDV.