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A 30-year-old member asked:

How many times must one get vaccinated in their lifetime to be successfully immune hepatitis b virus?

1 doctor answer1 doctor weighed in
Dr. Anne Larson
Hepatology 36 years experience
Usually Once: The hbv vaccine is a series of 3-4 shots over a 6 months time period. At least 90% of people will develop immunity following that series. A portion of remaining people will respond to a second series. There is a very small group who do not develop immunity from vaccination. Booster shots are no longer recommended for people with normal immune status who have been fully vaccinated.
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Last updated Apr 9, 2013

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