A member asked:

In june 2019 i completed engirex b course (tested hbsag in january 19 as negative). in january 2020 anti hbs level checked and is 6.33miu/ml. is this level of anti hbs providing some protection against hep b virus or vaccination was useless?

A doctor has provided 1 answer

Not useless but: Your level is lower than what is considered protective. Talk to your doctor if you may benefit from additional doses or a different preparation of the vaccine. Visit this site for info: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4299313/ Wish you good health!

Answered 4/15/2020

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