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流感和COVID-19的同时感染以及疫苗对严重病例的有效性:一项数学建模研究
Jingyi Liang1,2, Yangqianxi Wang1,2, Zhijie Lin1,2
1Department of Engineering Science, Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa, Macao SAR, China.
Frontiers in cellular and infection microbiology
|March 19, 2024
概括
同时感染COVID-19和流感会增加死亡率和住院治疗. 针对这两种病毒的疫苗接种至关重要,特别是对于老年人来说,以减少共同流行季节的严重疾病.
科学领域:
- 流行病学 流行病学
- 传染病建模 传染病建模
- 公共卫生 公共卫生
背景情况:
- 流感A病毒加剧SARS-CoV-2感染,增加死亡率和住院治疗.
- COVID-19和季节性流感的同时传播构成了重大的公共卫生风险.
- 同时感染对人口水平的影响仍未得到充分研究.
研究的目的:
- 为了模拟COVID-19和流感的共同循环.
- 在各种情景下估计同时感染的患者人数.
- 确定最佳的疫苗接种覆盖率,以减轻严重疾病.
主要方法:
- 开发了一个特定年龄的隔间模型来模拟共循环.
- 模拟了不同流行的病毒类型 (流感A与B) 和疫苗覆盖范围.
- 需要研究的最低联合COVID-19和流感疫苗覆盖率.
主要成果:
- 与流感的共同流行病降低了SARS-CoV-2的传播趋势,并延迟了峰值.
- 同时感染的病例与流感A比流感B更高.
- 增加疫苗接种覆盖率显著减少了严重的同时感染病例,特别是在老年人 (>60岁).
结论:
- 结合COVID-19和流感疫苗接种至关重要,以最大限度地减少严重的共感染.
- 优先对老年人进行疫苗接种对于减少严重结果至关重要.
- 疫苗接种策略是管理共同流行风险的关键.
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