AHMED, A.; SANA, F.; YASIR, M.; JAMAL, H.; YOUSAF, S.; KHAN, A. Epidemiology of SARS-CoV-2 with Implications of Reinfection Update After 01 Year of Ongoing Pandemic: Cross Sectional Study From Tertiary Care Hospital From Southern Region of Pakistan. Pakistan Armed Forces Medical Journal (PAFMJ), v. 72, n. 1, p. 91-96, 28 fev. 2022.