在关键人群的伴侣中测量艾滋病毒感染:从艾滋病毒传播动态模型估计的估计
Romain Silhol1,2, Rebecca L Anderson1, Oliver Stevens1
1MRC Centre for Global Infectious Disease Analysis, School of Public Health, Imperial College London, London, United Kingdom.
Journal of acquired immune deficiency syndromes (1999)
|January 5, 2024
概括
在关键人群 (KPs) 的性伴侣中,新的艾滋病毒感染是显著的. 重新计算的感染率强调了针对KP的有针对性的预防和治疗的需要,以减少艾滋病毒总体发病率.
科学领域:
- 流行病学 流行病学
- 数学建模的数学建模
- 公共卫生 公共卫生
背景情况:
- 女性工作者 (FSW),男同性恋者 (MSM),注射毒品的人 (PWID) 和跨性别女性 (TGW) 等关键人群 (KPs) 面临不成比例的高艾滋病毒风险.
- 很大一部分新的艾滋病毒感染发生在非KP性伴侣中.
- 之前对感染率的估计依赖于启发式,需要更强大的计算.
研究的目的:
- 使用动态传播模型重新计算感染率.
- 提供KP及其非KP合作伙伴之间艾滋病毒传播动态的最新估计.
- 为预防和治疗艾滋病毒的公共卫生战略提供信息.
主要方法:
- 利用动态传播模型来估计感染率.
- 在106个国家的178个设置中分析了2020年106个国家的数据.
- 对FSW,MSM,PWID,TGW及其各自的合作伙伴进行了估计.
主要成果:
- 平均感染率因KP组和伴侣类型而异.
- 从FSW向非KP合作伙伴的传输估计为1.2,与以前的假设相比.
- 对MSM和PWID的合作伙伴的估计低于假设,而TGW比率更高.
- 在西非和中非的FSW客户的非FSW合作伙伴中观察到高感染率.
结论:
- 重新计算的感染率表明,KP通过其非KP合作伙伴对艾滋病毒总体发病率做出了重大贡献.
- 调查结果强调了解决KP的预防和治疗需求至关重要.
- 针对KP的干预措施是减少艾滋病毒总体流行病的关键.
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