Chakravorty, Subarna. “Vaccines Against SARS-Cov-2: An Unprecedented Scientific Triumph and a Source of Hope in the Pandemic ”. The Physician 6, no. 3 (January 19, 2021): 1-3. Accessed November 9, 2024. https://physicianjnl.net/index.php/phy/article/view/91.