Anti-HBs levels during lowered immunity
Nov 15, 2013
Hi Dr Taylor,
I am a HIV+ male with an undetectable vl, and CD4 stabilised around 300 (28%). I was given a Hep B booster July 2009 which resulted in a good response, >100, and readings in 2010, 2011 and September this year were all above 100. However in December last year, I had an unsafe sexual encounter with a chronic Hep B carrier and my CD4 count was unusually low around 150 at the time. I don't know what my Anti-HBs levels were at the time. My question, therefore, is could a transient dip in immunity affect my Anti-HBs levels and allow an infection during my unsafe encounter last December? Thanks for your time. Best, M.
Response from Dr. Taylor
You are protected against hepatitis B. You are not at risk for hep B. Good for you about being on top of your hep B protection!
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