I recently did a HBV test. Surprisingly, doctor did not check HBs-Ag values, the only checked parameters were HBc, HBe which were negative. and Anti-HBs with the value of 0.59 UI/L (less than 10 is negative).
I have never received vaccination in my life, so what is this small antibody of Anti-HBs in my body? Can it be generated naturally and without an exposure to virus?
What is the hepatitis B surface antibody (HBsAb or anti-HBs)?
A "positive" or "reactive" HBsAb (or anti-HBs) test result indicates that a person has successfully responded to the hepatitis B vaccine or has recovered from an acute hepatitis B infection. This result means that you are immune to future hepatitis B infection and you are not contagious. This test is not routinely included in blood bank screenings.
Thanks for the answer.
At laboratory, I was told this value is clinically meaningless, and has an analytical meaning. Just in case, I repeated the test and got a zero in new test.
My doctor had made me freaked out by telling non-zero values are impossible without vaccination.
Output for anyone who might have the same question: little Anti-Hgs values might be interpreted as zero, and do not necessarily arise from a vaccination.
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