Sahoo, J. P., & Samal, K. C. (2021). World on Alert: WHO Designated South African New COVID Strain (Omicron/B.1.1.529) as a Variant of Concern. Biotica Research Today, 3(11), 1086–1088. Retrieved from https://biospub.com/index.php/biorestoday/article/view/1244