Ravi Kumar, Gaurav Kumar, Ramesh Chaudhary, and Rajat Dhariwal. “A REVIEW ON OMICRON (VOC) PREVENTION, GLOBAL RISK ASSESSMENT AND EFFECTIVENESS OF COVID-19 VACCINES AGAINST OMICRON ”. International Journal of Pharma Professional’s Research (IJPPR) 14, no. 1 (1): 100-109. Accessed November 21, 2024. https://ijppronline.com/index.php/IJPPR/article/view/257.