Diffusion comes anytime and everywhere. If there is a gradient or a potential difference of a
quantity a diffusion process happens and this ends if an equilibrium is reached only. The …

The understanding of factors that affect the dissemination of a viral infection is fundamental
to help combat it. For instance, during the COVID-19 pandemic that changed the lives of …

In a previous paper a simplified SEIR model applied to COVID-19 cases detected in Italy,
including the lockdown period, has shown a good fitting to the time evolution of the disease …

We examine the spatial modeling of the outbreak of COVID-19 in two regions: the
autonomous community of Andalusia in Spain and the mainland of Greece. We start with a …

We examine the spatial modeling of the outbreak of COVID-19 in two regions: the country of
Greece and the autonomous community of Andalusia in Spain. We start with a zero …

Background: The second wave of the COVID-19 pandemic led to substantial differences in
incidence rates across Germany. Methods: Assumption-free k-nearest neighbour clustering …

SARS-CoV-2 started propagating worldwide in January 2020 and has now reached virtually
all communities on the planet. This short review provides evidence of this spread and …

Raw data on the number of deaths at a country level generally indicate a spatially variable
distribution of COVID-19 incidence. An important issue is whether this pattern is a …

Abstract Background The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-
2) was first detected in China at the end of 2019 and it has since spread in few months all …

We explore the spatial and temporal spread of the novel SARS-CoV-2 virus under
containment measures in three European countries based on fits to data of the early …