# Safe CO2 threshold limits for indoor long-range airborne transmission control of COVID-19

> Research article (Building and Environment, 2022) · cited 15× · AI/ML

**Wikidata**: [openalex:W4313305135](https://www.wikidata.org/wiki/openalex:W4313305135)  
**Source**: https://4ort.xyz/entity/safe-co2-threshold-limits-for-indoor-long-range-airborne-transmission-control-of-covid-19