Participants will be recruited from sites in Denver and across the United States
Various types of biologic samples will be obtained from ambulatory participantts (with AUDs and matched controls) and patients (with respiratory failure (COVID-19 positive and negative), or with burn injury) enrolled in consortium investigations that may include bronchoalveolar lavage, bronchial brushings, plasma, serum, and urine.
Human participants data collected as a part of CoPARC investigations will be stored on the REDCap system. The data can be accessed by designated investigators as part of on-going research efforts.