inclusion criteria: 1. males and females, at least 40 years of age, capable and willing to provide informed consent; 2. patient must have received a diagnosis of covid-19 infection within the last 24 hours; 3. outpatient setting (not currently hospitalized or under immediate consideration for hospitalization); 4. patient must possess at least one of the following high-risk criteria: 70 years or more of age, obesity (bmi ≥ 30 kg/m2), diabetes mellitus, uncontrolled hypertension (systolic blood pressure ≥150 mm hg), known respiratory disease (including asthma or chronic obstructive pulmonary disease), known heart failure, known coronary disease, fever of ≥38.4°c within the last 48 hours, dyspnea at the time of presentation, bicytopenia, pancytopenia, or the combination of high neutrophil count and low lymphocyte count; 5. female patient is either not of childbearing potential, defined as postmenopausal for at least 1 year or surgically sterile, or is of childbearing potential and practicing at least one method of contraception and preferably two complementary forms of contraception including a barrier method (e.g. male or female condoms, spermicides, sponges, foams, jellies, diaphragm, intrauterine device (iud)) throughout the study and for 30 days after study completion; 6. patient must be able and willing to comply with the requirements of this study protocol.

inclusion criteria: 1. males and females, at least 40 years of age, capable and willing to provide informed consent; 2. patient must have received a diagnosis of covid-19 infection within the last 24 hours; 3. outpatient setting (not currently hospitalized or under immediate consideration for hospitalization); 4. patient must possess at least one of the following high-risk criteria: 70 years or more of age, obesity (bmi ≥ 30 kg/m2), diabetes mellitus, uncontrolled hypertension (systolic blood pressure ≥150 mm hg), known respiratory disease (including asthma or chronic obstructive pulmonary disease), known heart failure, known coronary disease, fever of ≥38.4°c within the last 48 hours, dyspnea at the time of presentation, bicytopenia, pancytopenia, or the combination of high neutrophil count and low lymphocyte count; 5. female patient is either not of childbearing potential, defined as postmenopausal for at least 1 year or surgically sterile, or is of childbearing potential and practicing at least one method of contraception and preferably two complementary forms of contraception including a barrier method (e.g. male or female condoms, spermicides, sponges, foams, jellies, diaphragm, intrauterine device (iud)) throughout the study and for 30 days after study completion; 6. patient must be able and willing to comply with the requirements of this study protocol.

inclusion criteria: males and females, at least 40 years of age, capable and willing to provide informed consent; patient must have received a diagnosis of covid-19 infection within the last 24 hours; outpatient setting (not currently hospitalized or under immediate consideration for hospitalization); patient must possess at least one of the following high-risk criteria: 70 years or more of age, obesity (bmi ≥ 30 kg/m2), diabetes mellitus, uncontrolled hypertension (systolic blood pressure ≥150 mm hg), known respiratory disease (including asthma or chronic obstructive pulmonary disease), known heart failure, known coronary disease, fever of ≥38.4°c within the last 48 hours, dyspnea at the time of presentation, bicytopenia, pancytopenia, or the combination of high neutrophil count and low lymphocyte count; female patient is either not of childbearing potential, defined as postmenopausal for at least 1 year or surgically sterile, or is of childbearing potential and practicing at least one method of contraception and preferably two complementary forms of contraception including a barrier method (e.g. male or female condoms, spermicides, sponges, foams, jellies, diaphragm, intrauterine device (iud)) throughout the study and for 30 days after study completion; patient must be able and willing to comply with the requirements of this study protocol.

inclusion criteria: males and females, at least 40 years of age, capable and willing to provide informed consent; patient must have received a diagnosis of covid-19 infection within the last 24 hours; outpatient setting (not currently hospitalized or under immediate consideration for hospitalization); patient must possess at least one of the following high-risk criteria: 70 years or more of age, obesity (bmi ≥ 30 kg/m2), diabetes mellitus, uncontrolled hypertension (systolic blood pressure ≥150 mm hg), known respiratory disease (including asthma or chronic obstructive pulmonary disease), known heart failure, known coronary disease, fever of ≥38.4°c within the last 48 hours, dyspnea at the time of presentation, bicytopenia, pancytopenia, or the combination of high neutrophil count and low lymphocyte count; female patient is either not of childbearing potential, defined as postmenopausal for at least 1 year or surgically sterile, or is of childbearing potential and practicing at least one method of contraception and preferably two complementary forms of contraception including a barrier method (e.g. male or female condoms, spermicides, sponges, foams, jellies, diaphragm, intrauterine device (iud)) throughout the study and for 30 days after study completion; patient must be able and willing to comply with the requirements of this study protocol.

inclusion criteria: 1. males and females, at least 40 years of age, capable and willing to provide informed consent; 2. patient must have received a diagnosis of covid-19 infection within the last 24 hours; 3. outpatient setting (not currently hospitalized or under immediate consideration for hospitalization); 4. patient must possess at least one of the following high-risk criteria: 70 years or more of age, obesity (bmi ≥ 30 kg/m2), diabetes mellitus, uncontrolled hypertension (systolic blood pressure ≥150 mm hg), known respiratory disease (including asthma or chronic obstructive pulmonary disease), known heart failure, known coronary disease, fever of ≥38.4°c within the last 48 hours, dyspnea at the time of presentation, bicytopenia, pancytopenia, or the combination of high neutrophil count and low lymphocyte count; 5. female patient is either not of childbearing potential, defined as postmenopausal for at least 1 year or surgically sterile, or is of childbearing potential and practicing at least one method of contraception and preferably two complementary forms of contraception including a barrier method (e.g. male or female condoms, spermicides, sponges, foams, jellies, diaphragm, intrauterine device (iud)) throughout the study and for 30 days after study completion; 6. patient must be able and willing to comply with the requirements of this study protocol.

inclusion criteria: 1. males and females, at least 40 years of age, capable and willing to provide informed consent; 2. patient must have received a diagnosis of covid-19 infection within the last 24 hours; 3. outpatient setting (not currently hospitalized or under immediate consideration for hospitalization); 4. patient must possess at least one of the following high-risk criteria: 70 years or more of age, obesity (bmi ≥ 30 kg/m2), diabetes mellitus, uncontrolled hypertension (systolic blood pressure ≥150 mm hg), known respiratory disease (including asthma or chronic obstructive pulmonary disease), known heart failure, known coronary disease, fever of ≥38.4°c within the last 48 hours, dyspnea at the time of presentation, bicytopenia, pancytopenia, or the combination of high neutrophil count and low lymphocyte count; 5. female patient is either not of childbearing potential, defined as postmenopausal for at least 1 year or surgically sterile, or is of childbearing potential and practicing at least one method of contraception and preferably two complementary forms of contraception including a barrier method (e.g. male or female condoms, spermicides, sponges, foams, jellies, diaphragm, intrauterine device (iud)) throughout the study and for 30 days after study completion; 6. patient must be able and willing to comply with the requirements of this study protocol.