The COVID-19 epidemic has caused more than 6.4 million deaths to date and has become a
hot topic of interest in different disciplines. According to bibliometric analysis, more than …

Several waves of COVID-19 caused by different SARS-CoV-2 variants have been recorded
worldwide. During this period, many publications were released describing the influence of …

The outcome of an epidemic is contingent upon the mitigating control strategies deployed by
policymakers. The deployment of control strategies is constrained by the cost of economic …

Objective Coronavirus disease 2019 demonstrated the inconsistencies in adequately
responding to biological threats on a global scale due to a lack of powerful tools for …

The COVID-19 lockdown in 2020–2021 and the refugee crisis in 2021–2022 were two new
and unexpected social and political events in Poland in recent years. These “wildcards” will …

Close-range interpersonal interactions serve as a major channel for virus transmission, with
higher infection risks indoors than outdoors. Thus, evaluating indoor infectious disease …

In this paper, the model of chemical reactions on grained molecular level is presented. This
model allows simulating simple chemical reactions of first-and second-order using the …

We investigate sub-leading orders of the classic SEIR-model using contact matrices from
modeling of the Omicron and Delta variants of COVID-19 in Denmark. The goal of this is to …

Exploring the coupled relationship between the potential laws of a region and the actual
spatial model and identifying regional development trends and the rationality of the model …

COVID-19 did not disappear in the third year (2022) of the global pandemic. On the contrary,
the number of infected people several times exceeded the highs of previous years, but the …