A member asked:

How long does the hepatitis b vaccine itself stay inside your body?

A doctor has provided 1 answer

Interesting ?: The substance injected probably last a few weeks at most. But the response brought about by the vaccine series (all 3 shots) may last forever. I ugh eat checking titters after vaccination in high-risk patients then checking levels again every ten years. Boosters given if needed.

Answered 12/9/2017

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