Quick Answer
Yes, hepatitis B is sexually transmitted through blood, semen, and vaginal fluids. A highly effective vaccine prevents it.
- ~17,600 estimated new infections per year (CDC).
- Viral, preventable with vaccine.
- Vaccine: 95%+ effective.
- ~95% of adults clear the acute infection naturally.
Context Most Pages Skip
Hepatitis B is preventable with a safe vaccine.
⚕️ This page is educational and does not replace advice from a licensed clinician. If you may have been exposed to an STI, get tested — most infections are manageable, and many are fully curable.
Sources & Further Reading
- CDC — Sexually Transmitted Infections
- CDC STI Treatment Guidelines
- WHO — Sexually transmitted infections fact sheet
- MedlinePlus — Sexually Transmitted Diseases
Figures reflect CDC surveillance and WHO estimates; they are population statistics, not personal risk predictions.