| Strategy | Indoor Air Quality Control |
| Remove | Improve HVAC filtration using MERV-13/HEPA air filters; general facility hygiene. |
| Replace | Increase air exchange rate with fresh air. |
| Divert | Air flow diversion techniques using barriers, fans, louvers, etc. |
| Deactivate | Air purifiers using UV-C disinfecting light exposure; disinfect surfaces. |
| Avoid | Stay out of a room; Maintain greater social distancing with indoor air environments. |
| Prevent | Wearing of face masks for source control. |
| Protect | Wearing of face masks to protect from inhalation. |