2024 Yes Ventilation Positive Pressure Intervention Effect on Indoor Air Quality in a School Building with Moisture Problems https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5858299/ Vornanen-Winqvist, Camilla Europe Observational Exposure Teachers Staff Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Ventilation rates Temperature Humidity Carbon Dioxide (CO2) Carbon Monoxide (CO) Volatile Organic Compounds (VOCs) Dust Bacteria Fungi Viruses Allergens Respiratory symptoms Hearing Vision Headaches Stress/Anxiety Job satisfaction Ventilation Positive pressure Indoor air quality Mycobiota Indoor air questionnaire Moisture damage Ventilation was improved in 12 classrooms to maintain 5-7 Pa positive pressure, reducing TVOC, PM2.5, and altering indoor mycobiota. Occupant discomfort and symptom reports declined, suggesting pressurization prevents pollutant infiltration. 2018