在喀麦隆缩小乙型肝炎出生剂量差距:全球证据和政策要求
Tambe Elvis Akem1,2,3,4
1Médecins Sans Frontières (MSF) - Belgium, Medical Department, Brussels, Belgium.
Human vaccines & immunotherapeutics
|October 7, 2025
概括
在喀麦隆,新生儿在出生时接种乙型肝炎疫苗至关重要,因为目前的政策使许多新生儿没有保护. 全球分娩剂量覆盖是必要的,以防止慢性感染和过早死亡,与全球消除目标保持一致.
科学领域:
- 公共卫生 公共卫生
- 疫苗学 疫苗学 疫苗学
- 流行病学 流行病学
背景情况:
- 乙型肝炎病毒 (HBV) 感染对全球健康造成重大负担,数百万人受到影响,死亡率很高.
- 在世卫组织非洲地区,慢性HBV流行率很高 (5.8%),喀麦隆在出生队伍之间存在差异.
- 喀麦隆缺乏及时的乙型肝炎疫苗出生剂量管理,导致慢性乙型肝炎病毒和过早死亡率高,特别是在脆弱人群中.
研究的目的:
- 分析喀麦隆关于B型肝炎疫苗出生剂量的政策差距.
- 审查支持出生剂量疫苗有效性的全球证据.
- 为喀麦隆普遍采用出生剂量和消除HBV提出以公平为重点的战略.
主要方法:
- 全球关于乙型肝炎疫苗出生剂量影响和实施的科学文献的综述.
- 分析喀麦隆的国家免疫政策和覆盖率数据.
- 检查医疗保健系统的挑战,包括产前查和分娩实践.
主要成果:
- 喀麦隆在2024年拥有0%的乙型肝炎疫苗出生剂量覆盖率,尽管出生时感染率高,导致慢性疾病.
- 当前的选择性政策加剧了不平等,未能保护难以到达地区的婴儿或在医疗机构之外出生的婴儿.
- 婴儿系列的低完成率 (68%) 使许多儿童脆弱.
结论:
- 全球采用乙型肝炎疫苗出生剂量对于预防母婴传播和慢性HBV是必不可少的.
- 加强配送系统,供应链和利用BCG疫苗接种等平台可以改善接种.
- 数据驱动的治理对于实现世界卫生组织在喀麦隆2030年消除HBV的目标至关重要.
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