Assertion: hepatitis b | /r/CreatedBy | hepatitis b virus
Facets:
Source sentences:
text: Hepatitis B is caused by hepatitis B virus (HBV), and is spread by contact with body fluids, such as blood, saliva, semen, or vaginal fluids; by needle sticks or sharing needles; or from mother to child.
text: Hepatitis B is caused by hepatitis B virus, a hepadnavirus that can cause both acute and chronic hepatitis.