A 37-year-old male asked:
hepatitis b blood test shows both anti-hbs (i was vaccinated 13 years ago) and hbsag. does that mean i was recently exposed or that i am chronic?
2 doctor answers
Dr. Gurmukh Singh answered
48 years experience Pathology
Needs investigation: Were you tested for hep b before you got vaccinated? What are results of rest of the tests for hep b markers? Is it possible that you were already infected when you got the vaccine? Persistence of hep b s ag generally means chronic infection. See this site for more info about hep b. http://www.cdc.gov/hepatitis/hbv/hbvfaq.htm.
Answered on Sep 26, 2012
Dr. Larry Lutwick answered
48 years experience Infectious Disease
The latter: It is likely, if the test results are confirmed, that you were a chronic carrier of HBV before you were vaccinated. Some people have both HBsAG and antihbs and behave as other chronic carriers.
Answered on Oct 3, 2016
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