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)


  • 6 major genotypes of HCV have been described with specific geographic distribution, responsiveness to interferon-based therapies, and clinical disease phenotype
    • In the US, genotype 1 is the most common
    • In Europe, genotypes 1 and 3 are the most common

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