2013年至2023年期间,津巴布韦女性性工作者艾滋病毒流行率下降
Sungai T Chabata1,2, Harriet S Jones3, Tsitsi Hove1
1Centre for Sexual Health and HIV/AIDS Research (CeSHHAR) Zimbabwe, Harare, Zimbabwe.
Nature communications
|December 5, 2025
概括
在津巴布韦的女性性工作者中,艾滋病毒的流行率保持稳定,直到2017年,然后大幅下降. 在男性中增加的艾滋病毒治疗覆盖率可能有助于这一趋势,尽管风险行为几乎没有改变.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 艾滋病毒/艾滋病研究研究
背景情况:
- 在撒哈拉以南非洲的女性性工作者中,艾滋病毒流行趋势的记录不足.
- 了解这些趋势对于有针对性的公共卫生干预至关重要.
研究的目的:
- 分析2013年至2023年津巴布韦女性性工作者艾滋病毒流行趋势.
- 确定导致艾滋病毒流行率观察到变化的因素.
主要方法:
- 一系列的跨截面受访者驱动的抽样调查,涉及10,562名18-39岁的女性性工作者.
- 2013年至2023年间在津巴布韦15个城市地点收集的数据.
- 使用数学建模 (HIV合成模型) 和年龄队列分析.
主要成果:
- 在2013-2017年期间,艾滋病毒的流行率稳定 (54.6%),但到2021-2023年,艾滋病毒的流行率大幅下降至38.9%.
- 这种下降并不是由于抽样偏见或女性性工作者人口特征的变化造成的.
- 数学建模表明,晚年艾滋病毒发病率较低,口服预暴露预防的可用性增加,但风险行为变化有限.
结论:
- 在津巴布韦的女性性工作者中,在2016-2017年至2021-2023年期间观察到艾滋病毒流行率的显著下降.
- 在男性人口中增加艾滋病毒治疗覆盖率可能是导致女性性工作者艾滋病毒发病率降低的一个因素.
- 对全面预防策略的进一步研究仍然是必不可少的.
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