Before revision:  Results: The correlation between case-fatality ratios and rates of mortality for COVID-19 per 100,000 on Sep. 17, 2020 in different regions of the Russian Federation  is 0.68 ( 0.55 ,0.78).
After revision:  Results: The correlation between case-fatality ratios and rates of mortality for COVID-19 per 100,000 on Sep. 17, 2020 in different regions of the Russian Federation on Oct. 1, 2020 is 0.68 ( 0.55 ,0.78).