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...

The study here analyzes, across European countries, the relationship between labour and drivers of technological innovation, also considering the interaction of these variables with the structural indicator of the public debt. The main findings are: the fruitful effect of total public...

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...

One of the fundamental problems in the COVID-19 pandemic crisis is the critical decision of introducing or not wide social restrictions, such as national lockdown, with the expectation of reducing the final impact of the novel coronavirus in society. This study analyzes, in an international...

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...

This paper endeavors to explain how wind speed can affect the diffusion of COVID-19. The statistical analysis, based on data from Italy, suggests that high wind speed can reduce air pollution commingled with viral agents and as a consequence reduce infected individuals of COVID-19; moreover,...

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...

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...

Coronavirus Disease 2019 (COVID-19) vaccinations play a main role in the immunization campaign of nations but countries, after a certain share of people vaccinated have to cope with vaccine hesitancy and resistance in population. The goal of this study here is the detection of the max share of...