Prevention of Chronic Hepatitis B after 3 Decades of Escalating Vaccination Policy, China
Emerging Infectious Diseases·
- DOI
- 10.3201/eid2305.161477
- PMID
- 28418296
- PMCID
- PMC5403029
- OpenAlex
- W2589531091
- Study type
- Journal article
- Publisher
- Centers for Disease Control and Prevention (CDC)
- Article type
- journal-article
- Integrity
- current
Why this research matters now
China's perinatal transmission-targeted HBV prevention program has been highly successful and increasingly effective. Sustained effort over decades and augmented strategies will be needed to eliminate HBV transmission.
Structured evidence summary
Research question
The study evaluated the impact of China's escalating hepatitis B virus prevention policy by comparing nationally representative serologic surveys from 1992, 2006, and 2014.
Study design
The 2014 survey employed a two-stage sampling strategy selecting townships from 160 county-level disease surveillance points, enrolling persons aged 1-29 years with an 83.3% response rate (n=31,713). Results were compared with reanalyzed data from earlier surveys conducted in 1992 and 2006.
Population and setting
The study included persons aged 1-29 years sampled from nationally representative disease surveillance sites across China in 2014, with comparison to earlier nationally representative surveys from 1992 and 2006.
Main findings
HBV surface antigen prevalence declined 52% from 1992 to 2014 and 46% from 1992 to 2006. Among children under 5 years of age, prevalence declined by 97%.
Public-health relevance
China's perinatal transmission-targeted HBV prevention program has been highly successful and increasingly effective. Sustained effort over decades and augmented strategies will be needed to eliminate HBV transmission.
Important limitations
This summary relies on the supplied single-article abstract and metadata. The original paper is required for decision-grade interpretation of study limitations, sampling representativeness, and serologic methods.
GIDS interpretation
This article would be discoverable in GIDS through classifiers linking chronic hepatitis B, China, vaccination, health policy, surveillance, and transmission dynamics. It provides historical context on long-term vaccination impact rather than current outbreak signals.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 18 auditable classifier relationships to diseases, places, topics, and study design.