Ulmasova S.I, and 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, vol. 40, Nov. 2024, pp. 22-25, https://scholarexpress.net/index.php/wbph/article/view/4698.