Immunity period after second dose..
Jul 1, 2012
Elo Dr. I would like to ask if I am still proctected after 9 yrs since I have a hepa vaccine booster?? Usually how long does it protects us?? God bless.
Response from Dr. McGovern
The hepatitis B vaccine lasts a long time, but in some people the vaccine loses protection faster. If you are at risk, you can get a surface antibody blood test to figure out if you need a booster.
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