| A4A | Airlines for America |
| ACE2 | angiotensin-converting enzyme 2 |
| ALPA | Air Line Pilots Association International |
| CDC | Centers for Disease Control and Prevention |
| DHS | Department of Homeland Security |
| DNA | deoxyribonucleic acid |
| DOT | Department of Transportation |
| FAA | Federal Aviation Administration |
| FDA | Food and Drug Administration |
| GDP | gross domestic product |
| HEPA | high-efficiency particulate absorbing |
| HHS | Department of Health and Human Services |
| IATA | International Air Transport Association |
| mRNA | messenger ribonucleic acid |
| NASA | National Aeronautics and Space Administration |
| OEM | original equipment manufacturer |
| OODA | observe, orient, decide, act |
| PCR | polymerase chain reaction |
| PPE | personal protective equipment |
| R&D | research and development |
| RNA | ribonucleic acid |
| SARS | sudden acute respiratory syndrome |
| SEA | Seattle-Tacoma International Airport |
| TSA | Transportation Security Administration |
| VIPRA | Viral Infection Propagation Through Air Travel |
| WHO | World Health Organization |
| XLR | Xtra Long Range |