inclusion criteria: subjects may be enrolled in the study only if all the inclusion criteria are met. 1. male and female subjects, age 35 or older. 2. female subjects of childbearing potential must have a negative hcg (in urine or blood) pregnancy test. 3. an international ethics committee (iec) approved informed consent is signed and dated prior to any study-related activities. 4. willing to abstain from any alcohol or substances containing alcohol (including medications, personal hygiene products, salad dressing) within 24 hours prior to treatment and for 14 days after treatment concludes. 5. have the ability to understand the requirements of the study and is willing to comply with all study procedures and visits. 6. respiratory rate: ≤ 30 per minute. 7. use supplemental o2 via nasal cannula or equivalent. 8. currently hospitalized ≤ 5 days. 9. pcr test or rapid antigen test confirming sars-cov-2. 10. in the opinion of the investigator, able to participate in the study.

inclusion criteria: subjects may be enrolled in the study only if all the inclusion criteria are met. 1. male and female subjects, age 35 or older. 2. female subjects of childbearing potential must have a negative hcg (in urine or blood) pregnancy test. 3. an international ethics committee (iec) approved informed consent is signed and dated prior to any study-related activities. 4. willing to abstain from any alcohol or substances containing alcohol (including medications, personal hygiene products, salad dressing) within 24 hours prior to treatment and for 14 days after treatment concludes. 5. have the ability to understand the requirements of the study and is willing to comply with all study procedures and visits. 6. respiratory rate: ≤ 30 per minute. 7. use supplemental o2 via nasal cannula or equivalent. 8. currently hospitalized ≤ 5 days. 9. pcr test or rapid antigen test confirming sars-cov-2. 10. in the opinion of the investigator, able to participate in the study.

inclusion criteria: subjects may be enrolled in the study only if all the inclusion criteria are met. male and female subjects, age 35 or older. female subjects of childbearing potential must have a negative hcg (in urine or blood) pregnancy test. an international ethics committee (iec) approved informed consent is signed and dated prior to any study-related activities. willing to abstain from any alcohol or substances containing alcohol (including medications, personal hygiene products, salad dressing) within 24 hours prior to treatment and for 14 days after treatment concludes. have the ability to understand the requirements of the study and is willing to comply with all study procedures and visits. respiratory rate: ≤ 30 per minute. use supplemental o2 via nasal cannula or equivalent. currently hospitalized ≤ 5 days. pcr test or rapid antigen test confirming sars-cov-2. in the opinion of the investigator, able to participate in the study.

inclusion criteria: subjects may be enrolled in the study only if all the inclusion criteria are met. male and female subjects, age 35 or older. female subjects of childbearing potential must have a negative hcg (in urine or blood) pregnancy test. an international ethics committee (iec) approved informed consent is signed and dated prior to any study-related activities. willing to abstain from any alcohol or substances containing alcohol (including medications, personal hygiene products, salad dressing) within 24 hours prior to treatment and for 14 days after treatment concludes. have the ability to understand the requirements of the study and is willing to comply with all study procedures and visits. respiratory rate: ≤ 30 per minute. use supplemental o2 via nasal cannula or equivalent. currently hospitalized ≤ 5 days. pcr test or rapid antigen test confirming sars-cov-2. in the opinion of the investigator, able to participate in the study.

inclusion criteria: subjects may be enrolled in the study only if all the inclusion criteria are met. 1. male and female subjects, age 35 or older. 2. female subjects of childbearing potential must have a negative hcg (in urine or blood) pregnancy test. 3. an international ethics committee (iec) approved informed consent is signed and dated prior to any study-related activities. 4. willing to abstain from any alcohol or substances containing alcohol (including medications, personal hygiene products, salad dressing) within 24 hours prior to treatment and for 14 days after treatment concludes. 5. have the ability to understand the requirements of the study and is willing to comply with all study procedures and visits. 6. respiratory rate: ≤ 30 per minute. 7. use supplemental o2 via nasal cannula or equivalent. 8. currently hospitalized ≤ 5 days. 9. pcr test or rapid antigen test confirming sars-cov-2. 10. in the opinion of the investigator, able to participate in the study.

inclusion criteria: subjects may be enrolled in the study only if all the inclusion criteria are met. 1. male and female subjects, age 35 or older. 2. female subjects of childbearing potential must have a negative hcg (in urine or blood) pregnancy test. 3. an international ethics committee (iec) approved informed consent is signed and dated prior to any study-related activities. 4. willing to abstain from any alcohol or substances containing alcohol (including medications, personal hygiene products, salad dressing) within 24 hours prior to treatment and for 14 days after treatment concludes. 5. have the ability to understand the requirements of the study and is willing to comply with all study procedures and visits. 6. respiratory rate: ≤ 30 per minute. 7. use supplemental o2 via nasal cannula or equivalent. 8. currently hospitalized ≤ 5 days. 9. pcr test or rapid antigen test confirming sars-cov-2. 10. in the opinion of the investigator, able to participate in the study.

inclusion criteria: subjects may be enrolled in the study only if all the inclusion criteria are met. 1. male and female subjects, age 60 and older, or age 50 to < 60 with bmi ≥ 35. 2. female subjects of childbearing potential must have a negative hcg (in urine or blood) pregnancy test. 3. an international ethics committee (iec) approved informed consent is signed and dated prior to any study-related activities. 4. willing to abstain from any alcohol or substances containing alcohol (including medications, personal hygiene products, salad dressing) within 24 hours prior to treatment and for 14 days after treatment concludes. 5. have the ability to understand the requirements of the study and is willing to comply with all study procedures and visits. 6. respiratory rate: ≤ 30 per minute. 7. spo2 ≥ 93% on room air at screening and baseline. 8. currently hospitalized ≤ 3 days at screening. 9. pcr test confirming sars-cov-2. 10. in the opinion of the investigator, able to participate in the study.

inclusion criteria: subjects may be enrolled in the study only if all the inclusion criteria are met. 1. male and female subjects, age 60 and older, or age 50 to < 60 with bmi ≥ 35. 2. female subjects of childbearing potential must have a negative hcg (in urine or blood) pregnancy test. 3. an international ethics committee (iec) approved informed consent is signed and dated prior to any study-related activities. 4. willing to abstain from any alcohol or substances containing alcohol (including medications, personal hygiene products, salad dressing) within 24 hours prior to treatment and for 14 days after treatment concludes. 5. have the ability to understand the requirements of the study and is willing to comply with all study procedures and visits. 6. respiratory rate: ≤ 30 per minute. 7. spo2 ≥ 93% on room air at screening and baseline. 8. currently hospitalized ≤ 3 days at screening. 9. pcr test confirming sars-cov-2. 10. in the opinion of the investigator, able to participate in the study.