ULMASOVA S.I; KASIMOV I.A. TOWARD THE STUDY OF ETIOLOGIC AND EPIDEMIOLOGIC CHARACTERISTICS OF A NEW CORONAVIRUS INFECTION (COVID-19) IN THE WORLD. World Bulletin of Public Health, [S. l.], v. 40, p. 22-25, 2024. Disponível em: https://scholarexpress.net/index.php/wbph/article/view/4698. Acesso em: 13 may. 2025.