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Optimal vaccination program for healthy adults in China
Jun Yao1, Yan Qiu2, Yongdi Chen1
1a Zhejiang Provincial Center for Disease Control and Prevention ; Hangzhou , Zhejiang , China.
Human Vaccines & Immunotherapeutics
|July 10, 2015
Summary
This study compared hepatitis B vaccine schedules in Chinese adults. The 0-1-12 month schedule demonstrated superior long-term antibody levels, suggesting it as a preferred option for adult hepatitis B immunization.
Area of Science:
- Immunology
- Vaccinology
- Public Health
Background:
- Hepatitis B remains a significant public health concern in China.
- Optimal adult hepatitis B vaccination strategies are needed for effective disease prevention.
- Current vaccination schedules may not provide sustained immunity in all adult populations.
Purpose of the Study:
- To determine the most effective hepatitis B vaccination schedule for healthy adults in China.
- To compare serological responses across different dosing intervals.
- To inform public health policy on adult immunization.
Main Methods:
- A randomized trial involving 5143 healthy adults.
- Three vaccination schedules were tested: 0, 1, 3 months; 0, 1, 6 months; and 0, 1, 12 months.
- Antibody levels (anti-HBs), seroconversion rates, and geometric mean titers (GMT) were measured at 1 and 12 months post-vaccination.
Main Results:
- All schedules achieved high initial seroconversion rates.
- The 0, 1, 12-month schedule (Group C) showed significantly higher GMT and seroconversion rates at 12 months post-vaccination compared to the other groups.
- Significant differences in seroconversion/sero-protective rates and GMT were observed among the groups (p < 0.01).
Conclusions:
- A flexible hepatitis B vaccination schedule is recommended for adults.
- The 0, 1, 12-month schedule provides superior and more sustained immune responses.
- This schedule is a better choice for ensuring long-term protection against Hepatitis B in adults.
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