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
… air classrooms regularly every 20 minutes for about five minutes with windows wide open", said UBA President Dirk Messner. UBA also makes recommendations on air … ventilation should also be provided during each class break. All windows should be opened wide for airing (airing at intervals). Opening only one window or putting windows on tilt is not enough. Cross ventilation …