在2022年俄俄州中部麻疹爆发期间建模疫苗接种范围:一个横截面研究
Rosemary A Martoma1,2,3, Matthew Washam1,4, Joshua C Martoma3
1Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH, United States.
Lancet regional health. Americas
|July 27, 2023
概括
在2022年俄俄州中部爆发期间发现了严重的麻疹免疫缺口,疫苗接种覆盖率为53%. 这凸显了针对性公共卫生战略的需要,以解决社区特有的免疫缺口,并防止未来的疫情爆发.
科学领域:
- 流行病学 流行病学
- 公共卫生 公共卫生
- 数学建模的数学建模
背景情况:
- 美国的麻疹消除受到社区级免疫缺口的威胁,像俄俄州这样的不完整的疫苗注射记录加剧了这种情况.
- 2022年俄俄州中部的麻疹疫情是美国八大疫情之一,强调了评估疫苗接种范围的紧迫性.
- 不完整的疫苗接种数据阻碍了对麻疹疫情的快速反应.
研究的目的:
- 开发和应用一个统计模型,VaxEstim,用于估计早期疫苗接种覆盖率和麻疹爆发期间的免疫缺口.
- 为了量化2022年俄俄州中部麻疹疫情期间暴露人口的免疫差距.
- 为控制麻疹传播的公共卫生战略提供信息.
主要方法:
- 利用重建的每日发病率数据和序列间隔分布来估计有效的繁殖数.
- 通过比较有效生殖数和基本生殖数来估计早期疫苗接种覆盖率,并考虑疫苗的有效性.
- 计算了早期免疫缺口,即关键疫苗接种门和估计覆盖率之间的差异.
主要成果:
- 在2022年俄俄州中部麻疹爆发期间,VaxEstim估计早期疫苗接种覆盖率为53% (95%CI,21%-77%).
- 关键疫苗接种值估计为93%,这表明存在很大的差距.
- 计算的免疫差距为42% (95% CI,18%-74%),这意味着一个庞大的易感人群.
结论:
- 在2022年俄俄州中部麻疹爆发的早期阶段,暴露的人群中存在显著的免疫差距.
- 这些发现需要强有力的公共卫生反应,以确定易受感染的个体并实施量身定制的战略.
- 解决社区特定的免疫缺口对于维持美国的麻疹消除至关重要.
关键词:
反接种疫苗运动临界接种疫苗的临界接种门.传染病 传染病 传染病 传染病麻疹是一种麻疹.麻疹并发症 麻疹并发症消除麻疹 消除麻疹麻疹监测 麻疹监测 麻疹监测疫情预测模型 疫情预测模型快速响应系统 快速响应系统统计建模 统计建模美国 淘汰后麻疹疫情爆发接种疫苗的覆盖范围疫苗的犹是因为疫苗的犹.更多相关视频
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