低收入和中等收入国家 (LMICs) 登革热疫苗覆盖率的障碍
Subashan Vadibeler1, Hansini Mandal2, Shiwei Ooi3
1Child Health Outcomes Research at Leeds, University of Leeds, Leeds, United Kingdom.
Virology
|January 31, 2026
概括
登革热疫苗可用,但由于接种障碍和疫苗犹,高负担国家的覆盖率较低. 应对这些挑战对于在低收入和中等收入国家公平分配登革热疫苗至关重要.
科学领域:
- * 全球卫生健康
- * 传染病 传染病
- * 疫苗学 疫苗学 疫苗学
背景情况:
- *登革热是一种快速增长,对气候敏感,媒介传播的疾病,不成比例地影响低收入和中等收入国家 (LMIC) 的儿童.
- * 两种登革热疫苗Dengvaxia (CYD-TDV) 和Qdenga (TAK-003) 已获得许可,而Butantan-DV (TV003) 仍处于高级开发阶段.
- *在需要高的地区疫苗覆盖率低,由于技术,社会,地缘政治挑战和疫苗犹而加剧.
研究的目的:
- * 审查全球登革热疫苗许可和覆盖范围的情况,重点关注登革热发病率最高的国家.
- * 确定阻碍大规模登革热疫苗接种和接种在LMICs的障碍.
- *强调需要公平的分配策略.
主要方法:
- *对当前全球登革热疫苗许可状况的审查.
- *分析高发病率国家登革热疫苗覆盖率.
- * 检查影响疫苗接种和使用的因素.
主要成果:
- *在许多高发病率国家,特别是非洲和南亚,登革热疫苗尚未获得许可.
- *在授权地区 (如拉丁美洲,东南亚),疫苗往往不被纳入国家免疫计划,需要自付.
- * 系统因素和疫苗信心下降阻碍了扩大LMICs的疫苗接种.
结论:
- * 在登革热疫苗许可和公平获取方面存在重大差距,特别是在LMICs.
- * 障碍包括缺乏融入国家计划,成本,系统性问题和对疫苗的犹.
- * 需要创造性的解决方案,以确保登革热疫苗能够接触到受该病影响最严重的人群.
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