Acknowledgments: prof. Zhanna Malakhova and Elena Kashuba from the Immanuel Kant Baltic Federal University for criticizing the authors’ ideas and development of the study.

Author contribution: Rocha Ferreira SS — official statistical data collection about the pandemic of novel coronavirus infection in three examined countries: calculation of COVID-19-related morbidity and mortality values in three studied countries, statistical processing of the obtained data analysis using Windows Microsoft Excel 10; Koreshkova KYu — official statistical data collection about the pandemic of novel coronavirus infection in Russia; calculation of COVID-19-related morbidity and mortality values in Russia, statistical analysis of the obtained data; Guduru Y — official statistical data collection about the pandemic of novel coronavirus infection in India, statistical analysis of the obtained data; Rocha LS— statistical processing of the study results; Perminova LA — academic guidance to students during the entire research, critical assessment, and correction of the developed scientific work.