Virology and Immunology of Hepatitis Viruses

  • Authors: Esperance Anne Kreek Schaefer, MD, MPH; Raymond T. Chung, MD (More Info)
  • Editor In Chief: Stefan Zeuzem, MD
  • Last Reviewed: 7/10/18 (What's New)


  • HBV is the most common hepatitis virus globally; > 257 million individuals have chronic infection
    • Major sources of transmission include perinatal, contact with infected individual, and injection drug use
    • Age of exposure determines clinical course

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