Analysis of digital fences against COVID-19.

This paper examines individual policies against the covid-19. The number of deaths due to COVID-19 can be divided by the population (in million) to score the performance of individual policies. 19 countries were investigated. Although many experts emphasize pharmaceutical methods including vaccines, the most effective policy against the covid-19 is based on a robust digital fence where the physical isolation strategy reveals the remarkable achievement for mitigating the pandemic. To mitigate and end the pandemic, combined policies with vaccination and digital fencing need to be used.