Press release 48/2020 from 15.10.2020 | Last changed: 20.10.2020
Coronavirus protection in schools: Airing rooms for five minutes, every 20 minutes
… minutes, every 20 minutes German Environment Agency: Window ventilation is most efficient way to ensure low virus concentration of indoor air The novel coronavirus … and schools. The German Environment Agency's recommendations on air exchange and efficient ventilation contain brief and precise information on why, when and how to …