Inclusion Criteria:  Adult males or females aged 18 years and older (inclusive) at screening. Able and willing (in the investigator's opinion) to comply with all study requirements. Willing to discuss their relevant medical history with the study investigators. Willing and able to give informed consent prior to study enrollment.  Exclusion Criteria:  History of a recent or previous COVID-19 infection per history or as detected by either the PGOLD™COVID-19 IGG/IGM ASSAY or MidaSpot™ COVID-19 Antibody fingerstick test.