1. Provide written informed consent, in accordance with EMA guidance on the management of clinical trials during COVID-19 pandemic (Version 2, 27 March 2020). If written consent by the trial participant is not possible (for example because of physical isolation due to COVID-19 infection), consent could be given orally by the trial participant (Art 2(j) of Directive 2001/20/EC) in the presence of an impartial witness. In such cases, the witness is required to sign and date the informed consent document and the Investigator is expected to record how the impartial witness was selected. 2. Male or female subjects with a minimum age of 18 years (or legal age of consent if <18 years) at Visit 1. 3. Subjects with a stable kidney transplant taking TAC and a confirmed diagnosis of SARS-CoV-2 by nuclear acid testing, with mild-to-moderate symptoms. 4. Women of childbearing potential must have a negative pregnancy test at baseline. Two effective forms of contraception must be used simultaneously unless abstinence is the chosen method. Subjects must use effective contraception during the study.

1. Provide written informed consent, in accordance with EMA guidance on the management of clinical trials during COVID-19 pandemic (Version 2, 27 March 2020). If written consent by the trial participant is not possible (for example because of physical isolation due to COVID-19 infection), consent could be given orally by the trial participant (Art 2(j) of Directive 2001/20/EC) in the presence of an impartial witness. In such cases, the witness is required to sign and date the informed consent document and the Investigator is expected to record how the impartial witness was selected. 2. Male or female subjects with a minimum age of 18 years (or legal age of consent if <18 years) at Visit 1. 3. Subjects with a stable kidney transplant taking TAC and a confirmed diagnosis of SARS-CoV-2 by nuclear acid testing, with mild-to-moderate symptoms. 4. Women of childbearing potential must have a negative pregnancy test at baseline. Two effective forms of contraception must be used simultaneously unless abstinence is the chosen method. Subjects must use effective contraception during the study.