Observational StudyThe Measurement of Chemicals in Exhaled Breath Can Identify If a Person is Infected with COVID-19

Inclusion Criteria:

1. Subject must complete the consent process
2. Subjects of both sexes must be ≥ 18 and ≤ 70 years old
3. Control subjects must have negative RT-PCR and antigen test
4. COVID subjects must have a positive RT-PCR and/or antigen test.

Exclusion Criteria:

1. Subjects with severe lung disease which would prevent them from providing a breath sample through a large bore tube (e.g., large drinking straw)
2. Subjects with uncontrolled diabetes (e.g., ketoacidosis)
3. Subjects who are routinely exposed to paints, paint thinners, gasoline, varnishes, glues, dry cleaning solvents, or industrial cleaning products
4. Subjects who are daily smokers of cigarettes, e-cigarettes, tobacco products, or marijuana
5. Subjects who have consumed alcohol in the previous 24 hours
6. Have not consumed large amounts of garlic (38 grams) over the prior 24 hours. This amount of garlic can come from approximately 6 garlic cloves or garlic supplement capsules,
7. Subjects who are experiencing respiratory failure