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This paper aims to explore the temporal-spatial spreading and asymptotic behaviors of West Nile virus by a reaction-advection-diffusion system with free boundaries, especially considering the impact of advection term on the extinction and…

Analysis of PDEs · Mathematics 2020-01-20 Chengcheng Cheng , Zuohuan Zheng

This paper is concerned with a simplified epidemic model for West Nile virus in a heterogeneous time-periodic environment. By means of the model, we will explore the impact of spatial heterogeneity of environment and temporal periodicity on…

Analysis of PDEs · Mathematics 2018-12-27 Jing Ge , Zhigui Lin , Huaiping Zhu

In this paper, a reaction-diffusion system is proposed to model the spatial spreading of West Nile virus in vector mosquitoes and host birds in North America. Infection dynamics are based on a simplified model for cross infection between…

Analysis of PDEs · Mathematics 2017-03-24 Zhigui Lin , Huaiping Zhu

To describe the propagation of West Nile virus and/or Zika virus, in this paper, we propose and study a time-periodic reaction-diffusion model with general boundary conditions in heterogeneous environments and with four unknowns:…

Analysis of PDEs · Mathematics 2025-01-10 Mingxin Wang , Lei Zhang

In this paper, we study a simplified version of a West Nile virus model discussed by Lewis et al. [28], which was considered as a first approximation for the spatial spread of WNv. The basic reproduction number $R_0$ for the non-spatial…

Analysis of PDEs · Mathematics 2017-05-24 Abdelrazig K. Tarboush , Zhigui Lin , Mengyun Zhang

The paper deals with a West Nile virus (WNv) model, where the nonlocal diffusion is introduced to characterize a long-range dispersal, the free boundary is used to describe the spreading front, and seasonal succession accounts for the…

Analysis of PDEs · Mathematics 2021-11-22 Liqiong Pu , Zhigui Lin , Yuan Lou

We present a model for the growth of West Nile virus in mosquito and bird populations based on observations of the initial epidemic in the U.S. Increase of bird mortality as a result of infection, which is a feature of the epidemic, is…

Populations and Evolution · Quantitative Biology 2007-05-23 V. M. Kenkre , R. R. Parmenter , I. D. Peixoto , L. Sadasiv

This paper presents a novel probabilistic approach for assessing the risk of West Nile Disease (WND) spillover to the human population. The assessment has been conducted under two different scenarios: (1) assessment of the onset of…

Applications · Statistics 2025-03-25 Saman Hosseini , Lee W. Cohnstaedt , Matin Marjani , Caterina Scoglio

West Nile virus (WNV) is a climate-sensitive mosquito-borne arbovirus circulating between mosquitoes of the genus Culex and birds, with a potential spillover to humans and other mammals. Recent trends in climatic change, characterized by…

Populations and Evolution · Quantitative Biology 2026-03-18 Pride Duve , Felix Sauer , Renke Lühken

Many West Nile virus (WNV) forecasting frameworks incorporate entomological or avian surveillance data, which may be unavailable in some regions. We introduce a novel data-parsimonious probabilistic model to predict both the timing of…

Applications · Statistics 2025-10-17 Saman Hosseini , Lee W. Cohnstaedt , Matin Marjani , Caterina Scoglio

Spatio-temporal extensions of familiar compartment models for disease transmission incorporating diffusive behavior, or interactions between individuals at separate locations, are explored. The models considered have the character of…

Biological Physics · Physics 2022-06-28 Joseph Rudnick , David Jasnow , Jorge Vinals

In this paper we investigate the dynamical properties of a spatially periodic reaction-diffusion system {whose reaction terms are of hybrid nature in the sense that they are partly competitive and partly cooperative depending on the value…

Analysis of PDEs · Mathematics 2021-08-25 Quentin Griette , Hiroshi Matano

We propose a nonlocal epidemic model whose spatial domain evolves over time and is represented by $[0,h(t)]$ with $h(t)$ standing for the spreading front of epidemic. It is assumed that the agents can cross the fixed boundary $x=0$, but…

Analysis of PDEs · Mathematics 2024-08-15 Xueping Li , Lei Li

In 2018, West Nile Virus (WNV) was detected for the first time in Germany. Since the first detection, 36 human cases and 175 cases in horses and birds are detected. The transmission cycle of West Nile Virus includes birds and mosquitoes and…

Biological Physics · Physics 2021-01-28 Suman Bhowmick , Jörn Gethmann , Igor M. Sokolov , Franz J. Conraths , Hartmut H. K. Lentz

In this paper we put forward a viral propagation model with nonlinear infection rate and free boundaries and investigate the dynamical properties. This model is composed of two ordinary differential equations and one partial differential…

Analysis of PDEs · Mathematics 2020-04-27 Lei Li , Siyu Liu , Mingxin Wang

This paper involves a diffusive epidemic model whose domain has one free boundary with the Stefan boundary condition, and one fixed boundary subject to the usual homogeneous Dirichlet or Neumann condition. By using the standard upper and…

Analysis of PDEs · Mathematics 2024-05-03 Xueping Li , Lei Li , Ying Xu , DanDan Zhu

This paper investigates the dynamics of a reaction-diffusion system with two free boundaries, modeling the invasion of two cooperative species, where the free boundaries represent expanding fronts. We first analyze the long-term behavior of…

Analysis of PDEs · Mathematics 2025-11-21 Qian Qin , JinJing Jiao , Zhiguo Wang , Hua Nie

During an epidemic outbreak, individuals often modify their behavior in response to global prevalence cues, using spatially mediated adaptations such as reduced mobility or transmission range. In this work, we investigate the impact of…

Physics and Society · Physics 2026-03-18 Akhil Panicker , Sasidevan V

Understanding the dynamics of infectious disease spread in a heterogeneous population is an important factor in designing control strategies. Here, we develop a novel tensor-driven multi-compartment version of the classic…

Populations and Evolution · Quantitative Biology 2020-04-22 Inbar Seroussi , Nir Levy , Elad Yom-Tov

An epidemic model, where the dispersal is approximated by nonlocal diffusion operator and spatial domain has one ?xed boundary and one free boundary, is considered in this paper. Firstly, using some elementary analysis instead of…

Analysis of PDEs · Mathematics 2024-05-08 Lei Li , Mingxin Wang
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