- any use of anti-viral medications up to 7 days before participating in the study - receipt of plasma from a person who recovered from covid-19 (convalescent plasma) any time before participating in the study - receipt of last recommended dose of a sars-cov-2 vaccine up to 30 days before participating in the study - receipt of a monoclonal antibodies up to 30 days before participating in the study. other protocol-defined inclusion/exclusion criteria may apply

- any use of anti-viral medications up to 7 days before participating in the study - receipt of plasma from a person who recovered from covid-19 (convalescent plasma) any time before participating in the study - receipt of last recommended dose of a sars-cov-2 vaccine up to 30 days before participating in the study - receipt of a monoclonal antibodies up to 30 days before participating in the study. other protocol-defined inclusion/exclusion criteria may apply