A member asked:

Would blood work show that you are positive for hepatitis if you have been vaccinated for it? bc i tested pos for hep b. not sure hw i got it. only been w/1 partnr she didnt have hep 5 yrs ago. no needles, blood trans, other stuff like that.

2 doctors weighed in across 2 answers
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

HBV immunization: Hepatitis B virus (HBV) vaccination causes a positive test for hepatitis B surface antibody (HBsAb), but negative for several other HBV tests such as HBsAg, HBcAb, and others. Ask your doctor or the lab where you were tested. They will be able to tell you whether the positve result is because of vaccination; or if you have been infected; and if so, whether the infection is still active.

Answered 3/1/2017

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Antibodies: You may have tested positive for hep B antibodies from immunization; otherwise, consult your treating physiciaan for viral load testing.

Answered 3/2/2017

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