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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2026, Vol. 20 ›› Issue (04): 246-251. doi: 10.3877/cma.j.issn.1674-1358.2026.04.007

• Short Research Article • Previous Articles    

Immunological persistence for 24 months following rapid immunization with 60 μg recombinant hepatitis B vaccine (saccharomyces cerevisiae) in adults

Haitao Yang1, Haoming Zhang1, Jingshan Zheng2, Huayu Li2, Rui Zhang2, Xiaoqiang Liu1,†()   

  1. 1 Yunnan Provincial Center for Disease Control and Prevention, Kunming 650034, China
    2 Shenzhen Kangtai Biological Products Co., Ltd., Shenzhen 518106, China
  • Received:2025-07-07 Online:2026-08-15 Published:2026-11-11
  • Contact: Xiaoqiang Liu

Abstract:

Objective

To investigate the 24 months immune persistence after rapid immunization with 60 μg recombinant hepatitis B vaccine (Saccharomyces cerevisiae) (abbreviated as 60 μg hepatitis B vaccine) in adult recipients.

Methods

This observational study included adults enrolled in the accelerated hepatitis B vaccination program in Dayao County Center for Disease Control and Prevention,Yunnan Province, from March 2021 to April 2022, who received at least one dose of the 60 μg hepatitis B vaccine. Hepatitis B virus surface antigen (HBsAg), hepatitis B virus surface antibody (HBsAb) and geometric mean concentration (GMC) were detected to evaluate the 24 months immunological persistence of the vaccine. The 305 recipients were divided into four groups based on their HBsAb levels at 1 month post-immunization: group with HBsAb 10-<100 mIU/ml, group with HBsAb 100-<1 000 mIU/ml, group with HBsAb 1 000-<10 000 mIU/ml and group with HBsAb≥10 000 mIU/ml. HBsAb positivity rates and HBsAb GMC of patients among different groups were analyzed by Chi-square test and variance analysis (ANOVA), respectively.

Results

Among the 305 enrolled subjects, 249 had HBsAb≥ 10 mIU/ml at 24 months after full-course immunization, with a positive rate of 81.64%, and the HBsAb GMC was 121.97 mIU/ml (95%CI: 98.41-151.16). After 24-month follow-up, the positive rates of HBsAb subgroups 10-<100 mIU/ml, 100-<1 000 mIU/ml, 1 000-<10 000 mIU/ml and≥10 000 mIU/ml were 49.25% (33/67), 86.49% (128/148), 96.92% (63/65) and 100.00% (25/25), respectively; their corresponding GMC values were 39.26 mIU/ml (95%CI: 23.41-65.84), 75.71 mIU/ml (95%CI: 57.91-98.97), 214.80 mIU/ml (95%CI: 169.38-272.41) and 1 503.74 mIU/ml (95%CI: 772.98-2 925.35).

Conclusions

The 60 μg hepatitis B vaccine demonstrates excellent immunogenicity persistence when administered in the adult rapid immunization program.

Key words: Hepatitis B vaccine, Rapid immunization program, Immune persistence

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