Progress towards elimination of mother-to-child transmission of hepatitis B virus infection in China: a modelling analysis
Bulletin of the World Health Organization·
- DOI
- 10.2471/blt.19.248146
- PMID
- 33658732
- PMCID
- PMC7924890
- OpenAlex
- W3118933015
- Study type
- Journal article
- Publisher
- WHO Press
- Article type
- journal-article
- Integrity
- current
Why this research matters now
The findings demonstrate how national surveillance data combined with modeling can guide elimination efforts and may motivate other high-burden countries to strengthen hepatitis B prevention policies. The study identifies specific, measurable intervention strategies to accelerate progress toward WHO elimination targets.
Structured evidence summary
Research question
The study assessed whether China can eliminate mother-to-child transmission of hepatitis B virus by 2030 and identified intervention strategies and monitoring parameters to achieve this target.
Study design
A dynamic, sex- and age-stratified mathematical model of the HBV epidemic in China was developed and calibrated using national serosurvey data from 1979-2014 and HBV-related cancer deaths from 2012. Various intervention scenarios were modeled to project elimination timelines.
Population and setting
The model represented the population of China, using hepatitis B surface antigen and e antigen prevalence data from sequential national serosurveys conducted between 1979 and 2014.
Main findings
Under current prevention levels, China is projected to achieve elimination of mother-to-child HBV transmission by 2029. Increased birth-dose vaccination coverage could advance this to 2025, while administering tenofovir to HBeAg-positive pregnant women could achieve elimination by 2024. A measurement of less than 2% mother-to-child transmission in 2020 would predict achievement of the target by 2025.
Public-health relevance
The findings demonstrate how national surveillance data combined with modeling can guide elimination efforts and may motivate other high-burden countries to strengthen hepatitis B prevention policies. The study identifies specific, measurable intervention strategies to accelerate progress toward WHO elimination targets.
Important limitations
This summary is based solely on the supplied abstract and metadata. The model's assumptions, uncertainty bounds, generalizability beyond China, and full methodology require review of the original published paper for decision-grade interpretation.
GIDS interpretation
The article was classified under Hepatitis A, B, and D diseases, China geography, and topics including transmission dynamics, treatment, and vaccination, enabling discovery in surveillance contexts monitoring viral hepatitis elimination programs and maternal-child health interventions.
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 14 auditable classifier relationships to diseases, places, topics, and study design.