2024 No Building-related symptoms are linked to the in vitro toxicity of indoor dust and airborne microbial propagules in schools: A cross-sectional study https://www.sciencedirect.com/science/article/abs/pii/S0013935116306090 Salin, J.T. Europe Exposure Teachers Dust Bacteria Fungi Viruses Respiratory symptoms Vision Headaches Building-related symptoms Indoor dust Airborne toxicity Sperm motility Indoor toxicity Dust samples from Helsinki classrooms were tested for toxicity using boar sperm motility assays. Teachers in classrooms with higher in vitro toxicity reported significantly more building-related symptoms, suggesting a potential diagnostic tool. 2017