Hepatitis B revaccination for young adults in Taiwan
Part of Digestive system, Infections clinical trials.
This study looks at how well your immune system responds after getting 1–2 extra doses of the hepatitis B vaccine. It may help doctors understand who needs revaccination and how to strengthen protection.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Be older than 20 years old when joining (born after 1987)
- Live in Taiwan and were fully vaccinated as a baby (at least 3 hepatitis B doses)
- Current blood tests show you do not have hepatitis B protection (negative antibody) and you do not have current infection (negative surface antigen)
- You have never had hepatitis B vaccine again during childhood or the teen years
- You agree (with the study team) to receive 1–2 hepatitis B vaccine doses based on the group you are assigned to
- Be healthy enough for a vaccine study (your doctor says it’s safe)
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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