Inclusion Criteria:

1. At least 18 years-old

2. Patients with end-stage kidney disease that are included on the local kidney
transplant waiting list who get an offer of a compatible organ and, subsequently,
have a transplant procedure scheduled in the next 24 (+/-) 12 hours, or patients
with end-stage kidney disease that are planned to receive a non-cadaveric donor
kidney transplant on the following 5 days.

3. Have a positive SARS-CoV-2 nasopharyngeal PCR or RAT within 5 days prior to
transplant surgery.

4. Have previously received at least three SARS-CoV-2 vaccine doses, with a minimum
time elapsed of 3 months since the last dose received.

5. Are asymptomatic or have mild acute COVID-19 symptoms during the previous 5 days
(headache, sore throat, cough, chest pain, nausea, diarrhea, fatigue, loss of smell
or taste, myalgia) excluding fever in the previous 48 hours (>38ºC) or shortness of
breath.

6. Post-menopausal or fertile females (females who are not surgically sterile or
postmenopausal defined as amenorrhea for >12 months) that agree to avoid pregnancy
during the study. If sexually active fe-male; using highly effective contraceptive
methods (hormonal contraception, intra-uterine device (IUD), or anatomical sterility
in self or partner*) while on study treatment. All female volunteers must be willing
to undergo urine pregnancy tests at time of enrollment.

7. Having understood the information provided and capable of giving consent to
participate in this trial by signing the Informed Consent document.

Exclusion Criteria:

1. Pregnant or breastfeeding women, at time of enrollment

2. Patients requiring supplementary oxygen at baseline or diagnosed with severe COPD or
pulmonary fibrosis.

3. Patients having any of the following at the screening period: i) O2 saturation below
94% on room air; ii) respiratory frequency of > 30bpm; or iii) Xray showing
new-onset pulmonary infiltrates suggesting COVID-19 pneumonia.

4. Patients having fever (>38ºC) in the last 48 hours or shortness of breath in the
previous 5 days.

5. Previous history of hypersensitivity, documented allergy or contraindications to
receive remdesivir.

6. ABO incompatible kidney transplant

7. Desensitization therapy indicated as induction therapy for high immunological risk
transplant with Donor Specific HLA Antibodies (DSA)

8. Participants who receive different types of induction immunosuppression other than
the standard induction protocols with lymphocyte- depleting agents (thymoglobulin or
basiliximab).

9. Active liver disease with AST or ALT >3 ULN, Total bilirubin ≥2 × ULN (for Gilbert's
syndrome, direct bilirubin >ULN is exclusionary) within the past 3 months, or liver
function impairment with Class B or C per Child Pugh classification.

10. Suspected or confirmed concurrent active respiratory infection other than COVID-19
that may interfere with the evaluation of response to the study intervention.

11. Any comorbidity requiring hospitalization and/or surgery within 7 days prior to
study entry, or that is considered life threatening within 30 days prior to study
entry, as determined by the investigator.

12. Prior participation in this trial.

13. Investigator site staff directly involved in the conduct of the study and their
family members, site staff otherwise supervised by the investigator, and sponsor and
sponsor delegate employees directly involved in the conduct of the study and their
family members.