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The coronavirus which appeared in December 2019 in Wuhan has spread out worldwide and caused the death of more than 280,000 people (as of May, 11 2020). Since February 2020, doubts were raised about the numbers of confirmed cases and deaths…

应用统计 · 统计学 2020-05-12 Jean-François Coeurjolly

Nowadays, the epidemic of COVID-19 in China is under control. However, the epidemic are developing rapidly around the world. Due to the normal migration of population, China is facing high risk from imported cases. The potential specific…

种群与进化 · 定量生物学 2020-04-07 Jiwei Jia , Siyu Liu , Jing Ding , Guidong Liao , Lihua Zhang , Ran Zhang

The outbreaks of Coronavirus Disease 2019 (COVID-19) have impacted the world significantly. Modeling the trend of infection and real-time forecasting of cases can help decision making and control of the disease spread. However, data-driven…

种群与进化 · 定量生物学 2020-09-18 Zhijian Li , Yunling Zheng , Jack Xin , Guofa Zhou

We consider the pandemic spreading of COVID-19 in India after the outbreak of the coronavirus in Wuhan city, China. We estimate the transmission rate of the initial infecting individuals of COVID-19 in India by using the officially reported…

种群与进化 · 定量生物学 2020-12-09 R. Gopal , V. K. Chandrasekar , M. Lakshmanan

The recent spreading of coronavirus made many countries impose restrictions in order to control its dangerous effect on the citizens. We developed a theoretical dynamical model based on compartmental SIR system with additional adjustment…

物理与社会 · 物理学 2020-05-08 Victoria Lopez , Milena Čukić

The special epistemic characteristics of the COVID-19, such as the long incubation period and the infection through asymptomatic cases, put severe challenge to the containment of its outbreak. By the end of March 2020, China has…

种群与进化 · 定量生物学 2020-09-07 Xiaoqi Zhang , Zheng Ji , Yanqiao Zheng , Xinyue Ye , Dong Li

The COVID-19, the disease caused by the novel coronavirus 2019 (SARS-CoV-2), has caused graving woes across the globe since first reported in the epicenter Wuhan, Hubei, China, December 2019. The spread of COVID-19 in China has been…

物理与社会 · 物理学 2022-04-27 Xingru Chen , Feng Fu

Objectives.--To estimate the basic reproduction number of the Wuhan novel coronavirus (2019-nCoV). Methods.--Based on the susceptible-exposed-infected-removed (SEIR) compartment model and the assumption that the infectious cases with…

种群与进化 · 定量生物学 2020-03-03 Tao Zhou , Quanhui Liu , Zimo Yang , Jingyi Liao , Kexin Yang , Wei Bai , Xin Lü , Wei Zhang

Epidemic is a rapid and wide spread of infectious disease threatening many lives and economy damages. It is important to fore-tell the epidemic lifetime so to decide on timely and remedic actions. These measures include closing borders,…

Understanding the spatio-temporal patterns of the coronavirus disease 2019 (COVID-19) is essential to construct public health interventions. Spatially referenced data can provide richer opportunities to understand the mechanism of the…

统计方法学 · 统计学 2022-07-15 Jaewoo Park , Seorim Yi , Won Chang , Jorge Mateu

The Coronavirus, also known as the COVID-19 virus, has emerged in Wuhan China since late November 2019. Since that time, it has been spreading at large-scale until today all around the world. It is currently recognized as the world's most…

种群与进化 · 定量生物学 2020-04-01 Anis Koubaa

Understanding how interurban movements can modify the spatial distribution of the population is important for transport planning but is also a fundamental ingredient for epidemic modeling. We focus here on vacation trips (for all…

物理与社会 · 物理学 2020-03-17 Jiachen Ye , Qitong Hu , Peng Ji , Marc Barthelemy

A number of models in mathematical epidemiology have been developed to account for control measures such as vaccination or quarantine. However, COVID-19 has brought unprecedented social distancing measures, with a challenge on how to…

种群与进化 · 定量生物学 2021-09-07 Magdalena Djordjevic , Andjela Rodic , Igor Salom , Dusan Zigic , Ognjen Milicevic , Bojana Ilic , Marko Djordjevic

The rapid spread of the Coronavirus SARS-2 is a major challenge that led almost all governments worldwide to take drastic measures to respond to the tragedy. Chief among those measures is the massive lockdown of entire countries and cities,…

We study a simple realistic model for describing the diffusion of an infectious disease on a population of individuals. The dynamics is governed by a single functional delay differential equation, which, in the case of a large population,…

种群与进化 · 定量生物学 2020-09-28 Luca Dell'Anna

With the outbreak of COVID-19, how to mitigate and suppress its spread is a big issue to the government. Department of public health need powerful models to model and predict the trend and scale of such pandemic. And models that could…

计算工程、金融与科学 · 计算机科学 2020-12-08 Wang Pan , Qipu Deng , Jiadong Li , Zhi Wang , Wenwu Zhu

This technical report describes a dynamic causal model of the spread of coronavirus through a population. The model is based upon ensemble or population dynamics that generate outcomes, like new cases and deaths over time. The purpose of…

With rapid transmission, the coronavirus disease 2019 (COVID-19) has led to over 2 million deaths worldwide, posing significant societal challenges. Understanding the spatial patterns of patient visits and detecting the local spreading…

应用统计 · 统计学 2021-02-08 J. Park , W. Chang , B. Choi

Since December 2019, A novel coronavirus (2019-nCoV) has been breaking out in China, which can cause respiratory diseases and severe pneumonia. Mathematical and empirical models relying on the epidemic situation scale for forecasting…

种群与进化 · 定量生物学 2021-01-05 Jingyuan Wang , Xin Lin , Yuxi Liu , Qilegeri , Kai Feng , Hui Lin

The sudden spread of Covid-19 outside China has pushed on March 11 the World Health Organization to acknowledge the ongoing outbreak as a pandemic. It is crucial in this phase to understand what should countries which presently lag behind…

物理与社会 · 物理学 2020-03-20 Fabio Miletto Granozio