Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the strain of novel coronavirus that causes Coronavirus disease 2019 (COVID-19) that generates high number of infected cases and deaths worldwide. The fundamental question in this field of research is how countries can reduce...

The novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that causes the Coronavirus Disease 2019 (COVID-19) is still circulating in 2021 with new mutations and the state of emergency remains in manifold countries. Countries have applied in 2020 nonpharmaceutical interventions to...

The statistical evidence of the study here shows that countries with a low average COVID-19 fatality rate have high expenditures in health sector and a lower exposure of population to air pollution, regardless a higher percentage of population aged more than 65 years. This study suggests that...

The Coronavirus Disease 2019 (COVID-19) continues to be a constant threat in 2022 and is important to design appropriate vaccination campaigns to face next pandemic impacts driven by new variants. This study develops a Machine Learning experiment that shows, between countries, a rapid reduction...

Since 2021, vaccinations for Coronavirus Disease 2019 (COVID-19) are more and more a health policy to cope with on-going pandemic crisis. Is this policy response enough to stop the diffusion of novel coronavirus and reduce the negative impact in society? The goal of this study here is to...

This study suggests that the next infectious diseases similar to COVID-19 is the effects of main factors associated with high population growth, polluting industrialization, climate change, environmental pollution and in particular the change of the interrelationship between humans, fauna and...

It is well known that climate and environmental factors affect the diffusion of COVID-19. This study analyzes the role of wind speed and temperature associate with air pollution in cities categorized with their population density. The paper found that, in the period after lockdown, but before...

This paper analyzes how longer and shorter period of national lockdown during the first wave of COVID-19 can affect public health and economy of nations. Results show that a) countries with shorter period of lockdown (about 15 days) have a variation of confirmed cases/population (%) higher than...