This studyis designed to look at the effectiveness of a new technology call Nanotechnology Biomarker Tagging (NBT) in detecting COVID-19 infection using breath samples of patients. Participation in this study is expected to take less than one month and will consist of a breath sample being taken by the research team, a cheek swab being taken by the research team, a questionnaire that will be completed by the participant with the help of the research teams, and a review of your medical record.

The main objective of this study is to analyze sputum collected from the residue remaining from bronchoalveolar lavage (BAL) procedures to compare the cellular characteristics of BAL samples to those of sputum samples collected from the acapella® airway assist device. We intend to enroll volunteers who are being evaluated by an MUSC pulmonologist as part of their standard medical care. The Control Sputum sample will be collected by volunteers at home over a three day period using an acapella® airway assist device. The cellular profiles of the BAL and sputum samples will be analyzed by flow cytometry. Active participation in this study is expected to last less than one month and will be complete once a sample is obtained from the BAL procedure.

This is an observational study that will analyze electronic health records data from real-world populations and settings in order to fully characterize the outcomes of Lung Cancer Screening with Low-Dowse CT scans.