inclusion criteria: * must be covid-19 positive by rt-pcr or an equivalent test, using an appropriate sample such as nasopharyngeal \[np\], nasal, oropharyngeal \[op\], or salivary) ≤ 72 hours prior to randomization. a historical record of positive result from test conducted ≤ 72 hours prior to randomization is acceptable if it can be documented. * must be asymptomatic or have mild symptoms but not requiring imminent (within 24h) hospitalization. * must be willing and able to comply with all planned study procedures and be available for all study visits and follow-up as required by this protocol. * subject or family member/caregiver must have provided written informed consent which includes signing the institutional review board approved consent form prior to participating in any study related activity.

inclusion criteria: * must be covid-19 positive by rt-pcr or an equivalent test, using an appropriate sample such as nasopharyngeal \[np\], nasal, oropharyngeal \[op\], or salivary) ≤ 72 hours prior to randomization. a historical record of positive result from test conducted ≤ 72 hours prior to randomization is acceptable if it can be documented. * must be asymptomatic or have mild symptoms but not requiring imminent (within 24h) hospitalization. * must be willing and able to comply with all planned study procedures and be available for all study visits and follow-up as required by this protocol. * subject or family member/caregiver must have provided written informed consent which includes signing the institutional review board approved consent form prior to participating in any study related activity.

inclusion criteria: - must be covid-19 positive by rt-pcr or an equivalent test, using an appropriate sample such as nasopharyngeal [np], nasal, oropharyngeal [op], or salivary) ≤ 72 hours prior to randomization. a historical record of positive result from test conducted ≤ 72 hours prior to randomization is acceptable if it can be documented. - must be asymptomatic or have mild symptoms but not requiring imminent (within 24h) hospitalization. - must be willing and able to comply with all planned study procedures and be available for all study visits and follow-up as required by this protocol. - subject or family member/caregiver must have provided written informed consent which includes signing the institutional review board approved consent form prior to participating in any study related activity.

inclusion criteria: - must be covid-19 positive by rt-pcr or an equivalent test, using an appropriate sample such as nasopharyngeal [np], nasal, oropharyngeal [op], or salivary) ≤ 72 hours prior to randomization. a historical record of positive result from test conducted ≤ 72 hours prior to randomization is acceptable if it can be documented. - must be asymptomatic or have mild symptoms but not requiring imminent (within 24h) hospitalization. - must be willing and able to comply with all planned study procedures and be available for all study visits and follow-up as required by this protocol. - subject or family member/caregiver must have provided written informed consent which includes signing the institutional review board approved consent form prior to participating in any study related activity.