 Moreover, not all cases of SARS-CoV-2 infection in the population are detected (laboratory diagnosed). The aim of this paper is to examine the relation between detectability of SARS-CoV-2 infection (i.e. the percent of detected cases among all cases of SARS-CoV-2 infection in the population) and levels of mortality from COVID-19 for the different regions of the Russian Federation.
<coherence>  Moreover, not all cases of SARS-CoV-2 infection in the population are detected (laboratory diagnosed). The aim of this paper is to examine the relation between detectability of SARS-CoV-2 infection (i.e. the percent of detected cases among all cases of SARS-CoV-2 infection in the population) and levels of mortality from COVID-19 for the different regions of the Russian Federation.
 Here, we examine the relation between detectability of SARS-CoV-2 infection (i.e. the percent of detected cases among all cases of SARS-CoV-2 infection in the population) and levels of mortality from COVID-19 for the different regions of the Russian Federation.