Sahoo, Jyoti Prakash, and Kailash Chandra Samal. “World on Alert: WHO Designated South African New COVID Strain (Omicron B.1.1.529) As a Variant of Concern”. Biotica Research Today, vol. 3, no. 11, Nov. 2021, pp. 1086-8, https://biospub.com/index.php/biorestoday/article/view/1244.