how long does the vaccination last?
Jul 24, 2005
How lond does the vaccination last for?
Response from Dr. McGovern
I am not sure if you are referring to hepatitis A or B vaccines.
For hepatitis A the protective antibodies seem to last a very long time.
For hepatitis B, not everyone responds with protective antibodies so it is a good idea, particularly if you are at ongoing risk, to check your surface antibodies after completing the vaccine to see if your levels are adequate.
If not, you can get a booster shot. For a new exposure after immunization, it is always good to check your antibody levels to be certain you are protected.
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