Dhankhar, Lavanya, Rakesh Kumar Jha, and Dhruba Hari Chandi. “COVID-19: A Pandemic Situation: A Review Article”. International journal of health sciences 6, no. S2 (March 24, 2022): 643–651. Accessed May 10, 2026. https://sciencescholar.us/journal/index.php/ijhs/article/view/5044.