Background: SARS-CoV-2, the novel coronavirus responsible for COVID-19, has caused
havoc worldwide, with patients presenting a spectrum of complications that have pushed …

Mathematical model-based analysis has proven its potential as a critical tool in the battle
against COVID-19 by enabling better understanding of the disease transmission dynamics …

Since December 2019, the global health population has faced the rapid spreading of
coronavirus disease (COVID-19). With the incremental acceleration of the number of …

As the COVID-19 spreads across the world, many nations impose lockdown measures at the
early stage of the pandemic to prevent the spread of the disease. Controversy surrounds the …

This work is concerned with the spatiotemporal dynamics of the coronavirus disease 2019
(COVID-19) in Germany. Our goal is twofold: first, we propose a novel spatial econometric …

São Paulo is the most populous state in Brazil, home to around 22% of the country's
population. The total number of Covid-19-infected people in São Paulo has reached more …

The developed article considers SIR problems for the recent COVID-19 pandemic, in which
each component is divided into two subgroups: young and adults. These subgroups are …

Coronavirus pandemic (COVID‐19) hit the world in December 2019, and only less than 5%
of the 15 million cases were recorded in Africa. A major call for concern was the significant …

In this study, we analyze the general or self-quarantine effects to the spread of the first wave
of Covid-19 pandemic in the view of the game-theoretical approach. As in some other …

Forecasting elections---a challenging, high-stakes problem---is the subject of much
uncertainty, subjectivity, and media scrutiny. To shed light on this process, we develop a …