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A 20-year-old male asked:

I took the first hepatitis b vaccine 1 month and 2 weeks ago should i repeat it or take the second one now?

1 doctor answer1 doctor weighed in
Dr. Heidi Fowler
Psychiatry 25 years experience
HEP B: Per https://www.cdc.gov/hepatitis/hbv/vaccadults.htm - "Give a 3-dose series at 0, 1, and 6 mos. 1 dose Give dose #2 at least 4 wks after #1; then, give dose #3 at least 8 wks after dose #2 and at least 16 wks after dose #1." Would take second dose now.

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Last updated Nov 27, 2017

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