arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2102.04260q-bio.PE
收藏

基于时滞随机微分方程的COVID-19扩散模型及预测

Modeling and Forecasting of COVID-19 Spreading by Delayed Stochastic Differential Equations

Marouane Mahrouf, Adnane Boukhouima, Houssine Zine, El Mehdi Lotfi, Delfim F. M. Torres, Noura Yousfi

摘要:

新型冠状病毒病(COVID-19)肺炎近几个月来对世界构成了巨大威胁,在全球范围内造成了多人死亡和巨大的经济损失。摩洛哥于2020年3月2日报告首例COVID-19病例,报告病例数日益增加。在这项工作中,我们将著名的SIR房室模型扩展到确定性和随机时滞模型,以预测摩洛哥COVID-19的流行趋势,并评估摩洛哥当局实施的多种预防措施和策略的潜在作用。工作的主要特点包括模型的适定性以及COVID-19可能灭绝或在人群中持续存在的条件。根据实际数据估计了参数值,并进行了数值模拟,以预测COVID-19的传播以及验证理论结果。

英文摘要:

The novel coronavirus disease (COVID-19) pneumonia has posed a great threat to the world recent months by causing many deaths and enormous economic damage worldwide. The first case of COVID-19 in Morocco was reported on 2 March 2020, and the number of reported cases has increased day by day. In this work, we extend the well-known SIR compartmental model to deterministic and stochastic time-delayed models in order to predict the epidemiological trend of COVID-19 in Morocco and to assess the potential role of multiple preventive measures and strategies imposed by Moroccan authorities. The main features of the work include the well-posedness of the models and conditions under which the COVID-19 may become extinct or persist in the population. Parameter values have been estimated from real data and numerical simulations are presented for forecasting the COVID-19 spreading as well as verification of theoretical results.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑