National Toxicology Program

National Toxicology Program

Scientific Review of Hepatitis B Virus (HBV)

Status: Listed in the Report on Carcinogens (RoC)

Primary Uses or Exposures: HBV is a small DNA-enveloped virus that causes viral hepatitis. In 1992-93 U.S. surveillance studies, most cases resulted from heterosexual transmission (41%), followed by intravenous drug use (15%) and homosexual transmission (9%); however, 31% of HBV infections were not associated with any known risk factors.

Background Document

No Public Comments

Meetings and Minutes from Review Groups

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NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.