Anwar, Paris, Tahir Ullah, Irfan Ullah, Muhammad Luqman, Usman Wajid, and Asma Naeem. “Clinical Severity Spectrum of Re-Infected Cov-19 Patients in Khyber Pakhtunkhuwa (KPK)”. International Journal of Natural Medicine and Health Sciences 2, no. 3 (June 30, 2023): 9–12. Accessed July 22, 2024. https://journals.iub.edu.pk/index.php/ijnms/article/view/1929.