Two days ago I had a full blood test, that included HIV, TB, Sy and Hepatitis (A,B,C). All the results came back under the limits, e.g. negative, except of one indicator: HBcAB. My doctor (a normal GP) told me that I probably was exposed to Hepatitis B, but my body recovered from it by itself and now he is pushing me for a Hepatitis B vaccine. I would trust this doctor, yet I just want to be sure that my results are fine.
If anyone can interpret them, please give me some feedback:
Your doctor is right. Because your HBsAg is negative and your HBcAb is positive, this would indicate a past exposure to HBV and you have fully recovered from the infection. Normally, you should also have a higher level of HBsAb, but antibodies do wane over time, even though there will be an immune memory. Because it is less than 10 iu/l, the level considered to be protective, your doctor is suggesting that a get a booster vaccination to bring up the level of HBsAb.
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