COVID-19传播动态和疫苗接种的影响:建模,分析和模拟
Joseph Malinzi1,2, Victor Ogesa Juma3, Chinwendu Emilian Madubueze4,5
1Faculty of Science and Engineering, Department of Mathematics, University of Eswatini, Private Bag 4, Kwaluseni, Swaziland.
Royal Society open science
|July 28, 2023
概括
在撒哈拉以南非洲增加COVID-19疫苗接种增加了人口免疫力,减少了未来的感染浪潮. 高效的疫苗与非药物干预相结合,对于避免死亡至关重要.
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:
- COVID-19仍然是一个全球性挑战,特别是在撒哈拉以南非洲 (SSA),疫苗接种率较低.
- 了解COVID-19的动态和趋势对于SSA的政策制定者来说至关重要.
研究的目的:
- 为了预测潜在的COVID-19趋势在SSA考虑疫苗接种率.
- 为了确定COVID-19波的持续时间.
- 评估疫苗接种和控制干预措施的影响.
主要方法:
- 使用南非COVID-19数据开发和校准了一个分区流行病学模型.
- 使用第五波数据测试模型的有效性.
- 定性分析包括稳定性,基本复制数计算和灵敏度分析.
- 数字模拟探索了疫苗接种和干预的影响.
主要成果:
- 大规模疫苗接种在使用高效疫苗与非药物干预一起使用时,在避免死亡方面最有效.
- 在SSA增加疫苗接种覆盖率提高了人口免疫力.
- 预测表明,在未来的疫情浪潮中,疫苗接种率较高的每日感染人数较低.
结论:
- 调查结果支持政策制定者设计有效的疫苗接种策略,以缓解SSA的COVID-19.
- 联合疫苗接种和非药物干预是控制未来疫情浪潮和降低死亡率的关键.
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