Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for What I need to know about Hepatitis B ?
    ### Response:
    - Hepatitis B is a virus, or infection, that causes liver disease and inflammation of the liver.  - Anyone can get hepatitis B, but some people are more likely to than others.  - You could get hepatitis B through contact with an infected persons blood, semen, or other body fluid.
    