A member asked:

Completed engirex b vaccination (3 dose) in june 2019.anti hbs after 6months( in jan 2020) 6.3miu/ml. revaccination (vaccine brand dnt know) 1st and 2nd dose (oct and nov 2020) .anti hbs after 7months (june 2021) 57.54.i dnt need any more dose right?

A doctor has provided 1 answer
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

Yes, you have more than enough antibody now. Level above 10 is considered protected. However, because you did not mount antibody well after the first course I will suggest to have the level checked again next June 2022, especially you are at risk for hep B exposure, e.g. health care worker or dialysis patient, etc. If level is still above 10 next June, you will no longer need booster.

Answered 7/9/2021

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