The hepatitis B virus is transmitted from person to person through blood and bodily fluids,1 but transmission prevention is possible. In this section, read about the causes of hepatitis B and how it can be transmitted.
It is important to learn who is at risk and how hepatitis B can be prevented.
If you think that you have been exposed to the hepatitis B virus, it is important to visit your medical professional and get a hepatitis B blood test. See our list of common hepatitis B symptoms and learn what happens in a hepatitis B blood test.