“Outcomes of Wuhan, Alpha, Delta, Omicron and Other Variants in Severe Acute Respiratory Syndrome Coronavirus-2 ”. Indian Journal of Experimental Biology (IJEB) 61, no. 08 (July 28, 2023): 646–653. Accessed May 13, 2026. https://or.niscpr.res.in/index.php/IJEB/article/view/4375.