| COVID-19 | 2019 Coronavirus disease |
| GI | Gastrointestinal |
| HVAC | Heating, Ventilation and Air Conditioning |
| PPE | Personal Protective Equipment |
| EGD | Esophagogastroduodenoscopy |
| SPC | Small Particle Count |
| CFD | Computational Fluid Dynamics |
| COVID-19 | 2019 Coronavirus disease |
| GI | Gastrointestinal |
| HVAC | Heating, Ventilation and Air Conditioning |
| PPE | Personal Protective Equipment |
| EGD | Esophagogastroduodenoscopy |
| SPC | Small Particle Count |
| CFD | Computational Fluid Dynamics |