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New page: Hepatitis B virus (HBV) is a DNA virus of the Hepadnavirus family. Approximately 350 million people worldwide (including 1.2 million in the U.S.) are infected, with about 1 million people...

Hepatitis B virus (HBV) is a DNA virus of the Hepadnavirus family. Approximately 350 million people worldwide (including 1.2 million in the U.S.) are infected, with about 1 million people per year dying of HBV-related liver disease.