Waqar, M. A. .; Riaz, T. .; Munir, M. .; Ashfaq, A. .; Zulfiqar, H. .; Sandhu, M. .; Mahmood, A. .; Zahir Durrani, F. .; Faheem, S. .; Tayyab, S. . COVID-19 and Various Comorbidities: A Review: COVID-19 and Various Comorbidities. PJHS 2023, 4, 02-07.