Digital Warfare Against COVID-19: Global Use of Contact-Tracing Apps.

The current COVID-19 (coronavirus disease 2019) pandemic has perpetuated a worldwide tussle to control this infection and minimizing death toll and economic damages. The year 2020 would always be remembered as a year of war against a virus, but it would also be marked as a year showing upsurge of technology evolution to deal with infections. Contact tracing has emerged as a new buzzword. Contact tracing digital tools have been introduced worldwide to prevent transmission. In this article, we have outlined various contact tracing apps being used globally, which are rated according to their safety, privacy, and efficacy.