2024 Yes A novel CO2-based demand-controlled ventilation strategy to limit the spread of COVID-19 in the indoor environment https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9132786/ Li, Bingxu Asia Observational Other Ventilation rates Carbon Dioxide (CO2) Demand-controlled ventilation COVID-19 CO₂ concentration Event reproduction number Ventilation control scheme A novel CO2-based DCV strategy controls COVID-19 transmission indoors while saving 30%-50% energy versus fixed ventilation. Future work includes addressing CO2 measurement issues, uneven pollutant distribution, and refining infector estimation for efficient infection control. 2022