Alshukairi, Abeer N.El-Kafrawy, Sherif A.Dada, AshrafYasir, MohamedYamani, Amani H.Saeedi, Mohammed F.Aljohaney, AhmedAlJohani, Naif I.Bahaudden, Husam A.Alam, IntikhabGojobori, TakashiRadovanovic, AleksandarAlandijany, Thamir A.Othman, Norah A.Alsubhi, Tagreed L.Hassan, Ahmed M.Tolah, Ahmed M.Al-Tawfiq, Jaffar A.Zumla, AlimuddinAzhar, Esam I.2022-02-242022-02-242021-07-18Alshukairi, A. N., El-Kafrawy, S. A., Dada, A., Yasir, M., Yamani, A. H., Saeedi, M. F., Aljohaney, A., AlJohani, N. I., Bahaudden, H. A., Alam, I., Gojobori, T., Radovanovic, A., Alandijany, T. A., Othman, N. A., Alsubhi, T. L., Hassan, A. M., Tolah, A. M., Al-Tawfiq, J. A., Zumla, A., & Azhar, E. I. (2021). Re-infection with different SARS-CoV-2 clade and prolonged viral shedding in a patient with hematopoietic stem cell transplantation: SARS-CoV-2 Re-infection with different clade. International Journal of Infectious Diseases, 110, 267-271. https://doi.org/10.1016/j.ijid.2021.07.0361201-9712https://hdl.handle.net/1805/27962Immunocompromised patients who have SARS-CoV-2 infection pose many clinical and public health challenges. We describe a patient with hematopoietic stem cell transplantation and lymphoma with protracted illness requiring 3 consecutive hospital admissions. Whole genome sequencing confirmed two different SARS-CoV-2 clades. Clinical management issues, and unanswered questions arising are discussed.enAttribution-NonCommercial-NoDerivatives 4.0 InternationalCOVID-19hematological stem cell transplantimmunocompromisedArticle