Technology is a complex system formed by different elements given by incremental and radical innovations to satisfy needs, achieve goals and/or solve problems of adopters to take advantage of important opportunities or to cope with consequential environmental threats. This study suggests...

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...