A5036182391- COVID-19 epidemiological studies
- Mathematical and Theoretical Epidemiology and Ecology Models
- Evolution and Genetic Dynamics
- Mosquito-borne diseases and control
- Viral Infections and Vectors
- SARS-CoV-2 and COVID-19 Research
- Advanced Differential Equations and Dynamical Systems
- Influenza Virus Research Studies
- Viral Infections and Outbreaks Research
- COVID-19 Pandemic Impacts
- Animal Disease Management and Epidemiology
- Nonlinear Dynamics and Pattern Formation
- Insect symbiosis and bacterial influences
- Insect-Plant Interactions and Control
- COVID-19 and Mental Health
- Complex Network Analysis Techniques
- Climate variability and models
- Vaccine Coverage and Hesitancy
- Evolutionary Game Theory and Cooperation
- Nonlinear Differential Equations Analysis
- Parasites and Host Interactions
- Numerical methods for differential equations
- Parasitic infections in humans and animals
- Ecosystem dynamics and resilience
- Vector-Borne Animal Diseases
York University
2016-2025
Nanjing Normal University
1994-2025
Hebrew University of Jerusalem
2023
Melnikov Permafrost Institute of the Siberian Branch of the Russian Academy of Science
2023
China University of Petroleum, East China
2023
Zhejiang Sci-Tech University
2023
Southwest University
2021-2023
Yangzhou University
2023
University Health Network
2022
Toronto Public Health
2022
Introduction An accurate early warning system to predict impending epidemics enhances the effectiveness of preventive measures against dengue fever. The aim this study was develop and validate a forecasting model that could cases provide timely in Singapore. Methodology Principal Findings We developed time series Poisson multivariate regression using weekly mean temperature cumulative rainfall over period 2000–2010. Weather data were modeled piecewise linear spline functions. analyzed...
We use a compartmental model to illustrate possible mechanism for multiple outbreaks or even sustained periodic oscillations of emerging infectious diseases due the psychological impact reported numbers and hospitalized individuals. This leads change avoidance contact patterns at both individual community levels, incorporating this using simple nonlinear incidence function into shows qualitative differences transmission dynamics.
We consider a predator-prey system with nonmonotonic functional response: $p(x)=\frac{mx}{ax^2+bx+1}$. By allowing b to be negative ($b > -2\sqrt a$), p(x) is concave up for small values of x 0 as it the sigmoidal response. show that in this case there exists Bogdanov--Takens bifurcation point codimension 3, which acts an organizing center system. study Hopf and homoclinic bifurcations saddle-node limit cycles also describe sequences each subregion parameter space death rate predator varied....
Mosquito populations are sensitive to long-term variations in climate and short-term weather. abundance is a key determinant of outbreaks mosquito-borne diseases, such as West Nile virus (WNV). In this work, the impact weather conditions (temperature precipitation) on Culex pipiens L.–Culex restuans Theobald mosquito Peel Region, Ontario, Canada, was investigated using 2002–2009 data collected from WNV surveillance program managed by Ontario Ministry Health Long-Term Care gamma-generalized...
To design models of the spread coronavirus disease-2019 (COVID-19) in Wuhan and effect Fangcang shelter hospitals (rapidly-built temporary hospitals) on control epidemic.We used data daily reported confirmed cases COVID-19, recovered deaths from official website Municipal Health Commission to build compartmental for three phases COVID-19 epidemic. We incorporated hospital-bed capacity both designated hospitals. assess success strategy adopted epidemic.Based 13 348 beds practice, our show...
To model the spread of monkeypox (MPX) in a metropolitan area for assessing risk possible outbreaks, and identifying essential public health measures to contain virus spread. The animal reservoir is key element modeling zoonotic disease. Using One Health approach, we MPX humans considering potential hosts such as rodents (e.g., rats, mice, squirrels, chipmunks, etc.) emphasize their role transmission high-risk group, including gay bisexual men-who-have-sex-with-men (gbMSM). From sensitivity...
In April 2009, a new strain of H1N1 influenza virus, referred to as pandemic A (H1N1) was first detected in humans the United States, followed by an outbreak state Veracruz, Mexico. Soon afterwards, this virus kept spreading worldwide resulting global outbreak. China, second Circular Ministry Health pointed out that December 31, country's 31 provinces had reported 120,000 confirmed cases H1N1.We formulate epidemic model based on networks. We calculate basic reproduction number and study...
Zika virus, a reemerging mosquito-borne flavivirus, started spread across Central and Southern America more recently to North America. The most serious impacted country is Brazil. Based on the transmission mechanism of virus assessment limited data reported suspected cases, we establish dynamical model which allows us estimate basic reproduction number R 0 = 2.5020. wild spreading make it great challenge public health control prevention virus. We formulate two models study impact releasing...