Robinson, Jared, Indrajit Banerjee, and Brijesh Sathian. “COVID-19: Is Herd Immunity the Answer?”. Journal of Advances in Internal Medicine 9, no. 2 (November 10, 2020): 94–97. Accessed November 21, 2024. https://nepjol.info/index.php/JAIM/article/view/32834.