Hepatitis Delta Virus

  • Author: Mario Rizzetto, MD (More Info)
  • Editor In Chief: Stefan Zeuzem, MD
  • Last Reviewed: 6/1/18 (What's New)


  • There are more than 257 million chronic carriers of HBV worldwide[WHO HBV]
    • Approximately 15 million of these have serologic evidence of exposure to HDV (Figure 1)[Farci 2003]
  • Injection drug use is the most important risk factor for triple infection with HIV[Soriano 2011]
  • Hepatitis D Virus Genotypes
      A Changing Epidemiology
        Recent Outbreaks

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