(1) Provide written informed consent prior to initiation of any study procedures (2) Understand and agree to comply with planned study procedures (3) Agree to the collection of oropharyngeal swabs and venous blood per protocol (4) Be male or non-pregnant female adult =18 years of age at time of enrolment (5) Have laboratory-confirmed SARS-CoV-2 infection as determined by RT-PCR in any specimen no more than 72 hours prior to randomisation.

(1) Provide written informed consent prior to initiation of any study procedures (2) Understand and agree to comply with planned study procedures (3) Agree to the collection of oropharyngeal swabs and venous blood per protocol (4) Be male or non-pregnant female adult =18 years of age at time of enrolment (5) Have laboratory-confirmed SARS-CoV-2 infection as determined by RT-PCR in any specimen no more than 72 hours prior to randomisation.