解码mopox:对2022-2023年全球疫情传播和严重程度参数的系统审查和元分析
Candida Diaz Brochero1, Laura Cristina Nocua-Báez2, Jorge Alberto Cortes2
1Department of Clinical Epidemiology and Biostatistics, Pontificia Universidad Javeriana, Bogota, Colombia.
BMJ global health
|January 31, 2025
概括
莫波克斯病毒的传播主要发生在症状出现后,尽管症状前传播是显著的. 病例死亡率在全球范围内有所不同,在非洲更高,特别是在Clade I mpox.的国家.
科学领域:
- 流行病学 流行病学
- 传染病的动态传染病的动态.
- 公共卫生 公共卫生
背景情况:
- 2022-2023年波克斯疫情代表了历史上最大的全球波克斯疫情.
- 了解mopox流行病学参数对于有效的控制策略至关重要.
研究的目的:
- 综合mopox的关键流行病学参数,包括潜伏期,序列间隔,生成时间和病例死亡率 (CFR).
- 分析2022-2023年mopox疫情的动态,传播和严重程度.
主要方法:
- 在2023年9月之前对观测研究和数学模型进行系统审查.
- 使用既定标准和设计的问卷进行质量评估.
- 使用随机效应模型进行的元分析.
主要成果:
- 聚合的潜伏期:7.60天;聚合的连续间隔:8.30天.
- 在27-50%的病例中观察到症状前的传播.
- 病例死亡率 (CFR) 在美洲为0.19%,在欧洲为0.33%,并在非洲 (0-64%) 根据mopox clade.有显著差异.
结论:
- 莫波克斯的传播主要发生在症状出现后,但症状前的传播是值得注意的.
- 在CFR的地理变化突出显示了mopox片区的影响,在非洲的比例更高.
- 调查结果有助于理解mopox动态,并为公共卫生干预提供信息.
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