| ASHRAE | American Society of Heating, Refrigeration and Air-Conditioning Engineers |
| CDC | Centers for Disease Control and Prevention |
| cDNA | Complementary DNA |
| CO2 | Carbon dioxide |
| COVID-19 | Coronavirus disease 19 |
| ddPCR | Droplet digital PCR |
| DEPC | Diethyl pyrocarbonate |
| DNA | Deoxyribonucleic acid |
| dNTPs | Deoxynucleotide triphosphates |
| DTT | Dithiothreitol |
| dUTP | Deoxyuridine triphosphate |
| FAM | 6-carboxyfluorescein |
| HFOT | High-flow oxygen therapy |
| HEX | Hexachlorofluorescein |
| HUSE | Hospital Universitari Son Espases |
| IRCU | Intermediate Respiratory Care Unit |
| NDIR | Non-dispersive infrared |
| OSHA | Occupational Safety and Health Administration |
| PCR | Polymerase Chain Reaction |
| qPCR | Quantitative polymerase chain reaction |
| REHVA | Federation of European Heating and Air Conditioning Associations |
| RNA | Ribonucleic acid |
| SARS-CoV-2 | Severe acute respiratory syndrome coronavirus 2 |
| WHO | World Health Organization |