Biden on air quality and covid in buildingshttps://www.whitehouse.gov/briefing-room/statements-releases/2022/03/17/fact-sheet-biden-administration-launches-effort-to-improve-ventilation-and-reduce-the-spread-of-covid-19-in-buildings/#:~:text=Today%20the%20Administration%20is%20launching,their%20buildings%20and%20reduce%20the