Number of participants by PCR result status (positive or negative) (if quantitative PCR is not available);Change from baseline to Day 3 in nasopharyngeal SARS-CoV-2 viral load (if quantitative PCR is available)

Number of participants by PCR result status (positive or negative) (if quantitative PCR is not available);Change from baseline to Day 3 in nasopharyngeal SARS-CoV-2 viral load (if quantitative PCR is available)