A different study will be conducted.

Subjects will receive a single injection of 40, 100, or 200 mg COVI-AMG or placebo via IV push.

Subjects will receive a single injection of 40, 100, or 200 mg COVI-AMG or placebo via IV push. Subjects will be followed for 70 days after dosing.

Inclusion Criteria:

• Outpatient with recent COVID-19 diagnosis with mild or moderate symptoms lasting less than 7 days prior to Screening and not requiring imminent hospitalization
• No medical or psychiatric conditions that could put the subject at risk
• Willing to follow contraception guidelines

Exclusion Criteria:

• Clinical signs of COVID-19 indicative of impending hospitalization
• Documented infection in addition to COVID-19 that requires systemic treatment
• Medical condition that could adversely impact safety, in the Investigator's opinion
• Is or planning to be pregnant or lactating
• Has participated, or is participating, in a clinical research study evaluating COVID-19 convalescent plasma, monoclonal antibodies (mAbs) against SARS-CoV-2, or intravenous immunoglobulin (IVIG) within 3 months or less than 5 half-lives of the investigational product (whichever is longer) prior to the screening visit
• Has received or will receive during study participation a vaccine for COVID-19
• Has participated in clinical trial protocols in the last 12 months, unless the Investigator believes that there may be a direct benefit to the subject