1. Age between 18 and 65 years, inclusive. 2. Body weight >45 kg. 3. Body Mass Index >18.5. 4. Close contact with a person who has a PCR-confirmed SARS-CoV-2 infection within 5 days before screening. 5. Only one member in the same household will be enrolled. 6. Participants must be able to give informed consent and comply with the study’s scheduled events/visits and study assessments. 7. SARS-CoV-2 positive index case must be able to give consent to enable collection of the documented positive PCR test. 8. Female participants of childbearing potential must use a highly effective method of contraception for the duration of the trial. Their male partners should also use a contraception method (i.e condom) unless vasectomized. (Refer to section 4.5 Contraception Requirements). 9. Male participants must use a contraception method (i.e condom) for the duration of the trial, unless vasectomized. Their female partners, if they are of childbearing potential, must use a highly effective method of contraception. (Refer to section 4.5 Contraception Requirements).

1. Age between 18 and 65 years, inclusive. 2. Body weight >45 kg. 3. Body Mass Index >18.5. 4. Close contact with a person who has a PCR-confirmed SARS-CoV-2 infection within 5 days before screening. 5. Only one member in the same household will be enrolled. 6. Participants must be able to give informed consent and comply with the study’s scheduled events/visits and study assessments. 7. SARS-CoV-2 positive index case must be able to give consent to enable collection of the documented positive PCR test. 8. Female participants of childbearing potential must use a highly effective method of contraception for the duration of the trial. Their male partners should also use a contraception method (i.e condom) unless vasectomized. (Refer to section 4.5 Contraception Requirements). 9. Male participants must use a contraception method (i.e condom) for the duration of the trial, unless vasectomized. Their female partners, if they are of childbearing potential, must use a highly effective method of contraception. (Refer to section 4.5 Contraception Requirements).