Maryam, S., R. Fatima, M. Ashfaq, N. Hassan, A. Bibi, A. Syed, and M. Kamran. “Epidemiological Studies of COVID-19 Disease: A Story of SARS CoV-2 Infection from Origin to Hospital”. International Journal of Health Sciences, vol. 7, no. S1, June 2023, pp. 990-1030, doi:10.53730/ijhs.v7nS1.14303.