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针对年龄的疫苗接种,以减少英格兰的Clostridioides difficile感染:一个结合的数学-经济建模分析

Laith Yakob^1,2,3, Kasim Allel^4,5,6, Aiman Elragig^5,7

¹Antimicrobial Resistance Centre, London School of Hygiene & Tropical Medicine, London, UK. Laith.Yakob@AdelphiValues.com.

|July 14, 2025

概括

针对老年人使用新的Clostridioides difficile (C. difficile) 疫苗可以显著减少感染,住院和死亡. 这一战略为英格兰带来了巨大的健康和经济利益.

科学领域:

流行病学流行病学
卫生经济学卫生经济学
疫苗学疫苗学疫苗学

背景情况:

由于发病率和死亡率高,困难菌感染 (CDI) 构成了重大的公共卫生挑战.
一个C. difficile候选疫苗的开发显示出对预防的希望.
需要有效的战略来减轻CDI的负担.

研究的目的:

模拟C. difficile疫苗对英国疾病负担的影响.
评估与疫苗实施相关的成本效益和健康益处.
确定最佳的疫苗接种策略,以最大限度地提高效益.

主要方法:

使用医院级数学模型来模拟CDI流行病学.
对CDI的主要风险因素被整合到模型中.
输出包括医疗护理病例,ICU入院,死亡,成本和10年时间的QALY.

主要成果:

74岁以上的个体接种疫苗使CDI病例和ICU入院人数减少了一半以上.
这一战略预计将使死亡人数减少近三分之二,其中20%的生命来自间接利益.
据估计,疫苗推出将避免成本,并获得每次疫苗接种的QALY.

结论:

获得许可的C. difficile疫苗提供了巨大的经济和健康益处.
针对老年人口最大化了英格兰的这些收益.
这项研究为优化疫苗部署提供了指导.

关键词:

这是C. difficile.疾病控制疾病控制卫生经济学卫生经济学卡利 (Qaliy) 是一个名为卡利的城市.传输动态传输动态疫苗疫苗疫苗疫苗

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