| ARDS | Acute Respiratory Distress Syndrome |
| ATS | American Thoracic Society |
| BAL | Bronchoalveolar Lavage |
| CDC | Centers for Disease Control and Prevention |
| COPD | Chronic Obstructive Pulmonary Disease |
| CT | Computed Tomography |
| ECMO | Extracorporeal Membrane Oxygenation |
| ENDS | Electronic Nicotine Delivery Systems |
| EVALI | E-cigarette or Vaping Product Use-Associated Lung Injury |
| FDA | US Food and Drug Administration |
| GGOs | Ground-Glass Opacities |
| GI | Gastrointestinal |
| HRCT | High-Resolution Computed Tomography |
| MRI | Magnetic Resonance Imaging |
| NIV | Noninvasive Ventilation |
| OP | Organizing Pneumonia |
| PCR | Polymerase Chain Reaction |
| PET | Positron Emission Tomography |
| RB-ILD | Respiratory Bronchiolitis-Associated Interstitial Lung Disease |
| ROS | Reactive Oxygen Species |
| SpO2 | Oxygen Saturation |
| THC | Tetrahydrocannabinol |