Apr 13, 2008
How long is the Hepatitis immunization good for and do you need a booster? Is there a blood test that I should have between?
Response from Dr. McGovern
For hepatitis B, the vaccine works extremely well. We don't usually check if the vaccine works unless the patient has an immunodeficiency illness (like HIV) or if the patient has a sexual partner with HBV. The vaccine is long-lasting and if there is an exposure of concern - that is when antibodies are detected to be certain the vaccine is still protective.
However, if there is a reason you have a high level of concern, you only need to request a surface antibody - this will tell you whether you are still protected.
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