inclusion criteria: i. subject (or legally authorized representative) provides written informed consent prior to initiation of any study procedures. ii. understands and agrees to comply with planned study procedures. iii. male or female adult ≥18 - 95 years of age at time of enrolment. iv. laboratory-confirmed sars-cov-2 infection in any specimen \< 5 days prior to randomization. v. at least one of the following: 1. radiographic infiltrates by imaging (chest x-ray, ct scan, etc.) or 2. clinical assessment (evidence of rales/crackles on exam) and spo2 ≤94% on room air vi. women of childbearing potential must agree to use at least one primary form of contraception for the duration of the study.

inclusion criteria: i. subject (or legally authorized representative) provides written informed consent prior to initiation of any study procedures. ii. understands and agrees to comply with planned study procedures. iii. male or female adult ≥18 - 95 years of age at time of enrolment. iv. laboratory-confirmed sars-cov-2 infection in any specimen \< 5 days prior to randomization. v. at least one of the following: 1. radiographic infiltrates by imaging (chest x-ray, ct scan, etc.) or 2. clinical assessment (evidence of rales/crackles on exam) and spo2 ≤94% on room air vi. women of childbearing potential must agree to use at least one primary form of contraception for the duration of the study.

inclusion criteria: i. subject (or legally authorized representative) provides written informed consent prior to initiation of any study procedures. ii. understands and agrees to comply with planned study procedures. iii. male or female adult ≥18 - 95 years of age at time of enrolment. iv. laboratory-confirmed sars-cov-2 infection in any specimen < 5 days prior to randomization. v. at least one of the following: radiographic infiltrates by imaging (chest x-ray, ct scan, etc.) or clinical assessment (evidence of rales/crackles on exam) and spo2 ≤94% on room air vi. women of childbearing potential must agree to use at least one primary form of contraception for the duration of the study.

inclusion criteria: i. subject (or legally authorized representative) provides written informed consent prior to initiation of any study procedures. ii. understands and agrees to comply with planned study procedures. iii. male or female adult ≥18 - 95 years of age at time of enrolment. iv. laboratory-confirmed sars-cov-2 infection in any specimen < 5 days prior to randomization. v. at least one of the following: radiographic infiltrates by imaging (chest x-ray, ct scan, etc.) or clinical assessment (evidence of rales/crackles on exam) and spo2 ≤94% on room air vi. women of childbearing potential must agree to use at least one primary form of contraception for the duration of the study.

inclusion criteria: i. subject (or legally authorized representative) provides written informed consent prior to initiation of any study procedures. ii. understands and agrees to comply with planned study procedures. iii. male or female adult ≥18 - 95 years of age at time of enrolment. iv. laboratory-confirmed sars-cov-2 infection in any specimen < 5 days prior to randomization. v. at least one of the following: 1. radiographic infiltrates by imaging (chest x-ray, ct scan, etc.) or 2. clinical assessment (evidence of rales/crackles on exam) and spo2 ≤94% on room air vi. women of childbearing potential must agree to use at least one primary form of contraception for the duration of the study.

inclusion criteria: i. subject (or legally authorized representative) provides written informed consent prior to initiation of any study procedures. ii. understands and agrees to comply with planned study procedures. iii. male or female adult ≥18 - 95 years of age at time of enrolment. iv. laboratory-confirmed sars-cov-2 infection in any specimen < 5 days prior to randomization. v. at least one of the following: 1. radiographic infiltrates by imaging (chest x-ray, ct scan, etc.) or 2. clinical assessment (evidence of rales/crackles on exam) and spo2 ≤94% on room air vi. women of childbearing potential must agree to use at least one primary form of contraception for the duration of the study.