A 32-year-old female asked:
if u tested igg pos. (greater than 100) for hepb, how do u know if u actually had the virus in the past or were vaccinated against it? i had twinrix.
1 doctor answer
Dr. Robert Killian answered
28 years experience General Practice
Hepatitis B: In general if you were not diagnosed or had a history of hepatitis b then the vaccine gave you this immunity. If your physician is not working up your concerns with other blood tests to prove infection versus vaccination and you have liver disease then there are specific tests that can determine the difference for you.
But, twinrix gets you to immunity for both hepatitis a and b.
Answered on Apr 23, 2013
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