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First and last follow-up to a topic seldom covered on your forum

Sep 11, 2007

Dear Dr Bob

Thank you for taking time to answer my questions. I just have a few more concerns. Is it common for hep B antibodies to decrease to undetectable level in a matter of a few years? I had a potential exposure to HIV recently, if I was indeed infected, could the virus break down my hep B antibodies and caused my hep B antibodies level to drop to undetectable level in a few months? Or it is more probable that my vaccine failed right from the start?



Response from Dr. Frascino

Hi Allen,

1. No, it is not common for anti-hepatitis B antibodies to fall to undetectable levels following vaccination within a few years.

2. Acquiring HIV infection would not alter anti-hepatitis B antibody levels once established.

3. Yes, the most likely and logical explanation is that your initial vaccination series failed and immunity was never established.

Dr. Bob

Maturbation and distance
Healthcare exposure - need specialist advice

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