| COVID-19 | Coronavirus Disease 2019 |
| CPAP | Continuous positive airway pressure tube |
| DNA | Deoxyribonucleic acid |
| O2 | Molecular oxygen |
| O3 | Ozone |
| PPE | Personal protective equipment |
| RNA | Ribonucleic acid |
| RT-qPCR | Real-time polymerase chain reaction |
| SARS-CoV-2 | Severe acute respiratory syndrome coronavirus 2 |
| UV | Ultraviolet |
| VERO | African green monkey kidney epithelial cells |
| WHO | World Health Organization |