Home / Ask The Experts / If you want to test and vaccinate your patient for hepatitis B on the same day, does it matter if you test or vaccinate first?

Hepatitis B
Vaccine Recommendations

If you want to test and vaccinate your patient for hepatitis B on the same day, does it matter if you test or vaccinate first?

Yes. You should draw the blood first and then administer the first dose of vaccine, as transient HBsAg-positivity has been detected after a dose of HepB (see related question).

Last reviewed: July 21, 2023

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If you want to test and vaccinate your patient for hepatitis B on the same day, does it matter if you test or vaccinate first?

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