1. Okrepilova IG, Venediktova SK. Upravlenie kachestvom zhizni. SPb.: SPbGUE’F; 2010. (In Russ.)
2. An Outbreak of a New Infectious Disease COVID-19: β-coronaviruses as a Threat to Global Healthcare
3. Nikiforov VV, Suranova TG, Mironov AYu, Zabozlaev FG. Novaya koronavirusnaya infekciya (COVID-19): e’tiologiya, e’pidemiologiya, klinika, diagnostika, lechenie i profilaktika. M. 2020. (In Russ.)
4. Coronavirus disease COVID-2019
5. Younger Adults Caught in COVID-19 Crosshairs as Demographics Shift