Evaluating the massive underreporting and undertesting of COVID-19 cases in multiple global epicenters

With continuous global COVID-19 outbreak, differing case numbers and mortality rates are observed. While actual case numbers appear vague, mortality numbers related to COVID-19 seem more precise. In this study, we used the mortality rate as the main indicator to evaluate the extent of underreporting and underdetection of COVID-19 cases. We have analyzed all available data provided by the World Health Organization on the development of...