MARINOVA, Lilly; GAITANEVSKA, Irina; PENCHEV, Dancho; KORSUN, Nelly; CHRISTOVA, Iva. OVERVIEW OF THE COVID-19 PANDEMIC AND ITS IMPACT ON THE MORBIDITY IN THE SOFIA CITY REGION DURING 2020-2021. PROBLEMS of Infectious and Parasitic Diseases, Sofia, Bulgaria, v. 50, n. 2, p. 19–25, 2023. DOI: 10.58395/pipd.v50i2.91. Disponível em: https://pipd.ncipd.org/index.php/pipd/article/view/50-2-4-overview-of-the-covid-19-pandemic.. Acesso em: 19 may. 2024.