Viral Clearance, PK and Tolerability of Ensovibep in COVID-19 Patients

Inclusion Criteria: * Men or non-pregnant women, between 18 and 70 years on the day of inclusion. * Presence of one or more mild or moderate COVID-19 symptoms: Fever, cough, sore throat, malaise, fatigue, headache, muscle pain, gastrointestinal symptoms, or shortness of breath with exertion. * Positive test for SARS-CoV-2 in upper respiratory swab on the day of dosing (rapid antigen test). Exclusion Criteria: * Requiring hospitalization at time of screening, or at time of study drug administration. * Oxygen saturation (SpO2) ≤ 93 percent (%) on room air at sea level, respiratory rate ≥ 30 per minute, or heart rate ≥125 per minute. * Any serious concomitant systemic disease, condition, or disorder that, in the opinion of the investigator, should preclude participation in this study. * Any co-morbidity requiring hospitalization or surgery within \<7 days, or that is considered life-threatening within 29 days. * A patient reported history (prior to the current episode) of a positive SARS-CoV-2 serology test or a history of PCR confirmed SARS-CoV-2 infection. * Prior or concurrent use of SARS-CoV-2 antiviral medication, including convalescent serum or anti-viral antibodies. * Concurrent enrollment in any other type of medical research for improving COVID-19 outcomes or that is judged by the investigator not to be scientifically or medically compatible with this study. * Women that are currently breast feeding, pregnant, or plan to get pregnant during the duration of the trial. * Severe immunocompromised status (primary immunodeficiency, supraphysiological dose of systemic corticosteroids, transplant patients, known untreated HIV and CD4 T-cells \<200/microliter) or use of any immunosuppressants that, in the opinion of the investigator, should preclude participation in this study. * Subjects at high risk for of COVID-19 related complications or mortality