2024 Yes Investigation of bacterial and fungal communities in indoor and outdoor air of elementary school classrooms by 16S rRNA gene and ITS region sequencing https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10230515/ Lee, Bong Gu Asia Observational Modeling Elementary (K-5) Bacteria Fungi Classroom air Elementary school classrooms Microbial communities Next generation sequencing High-throughput sequencing of air in Seoul classrooms revealed human-associated bacteria indoors and plant-related fungi from outdoors. Bacterial profiles were classroom-consistent; fungal profiles varied by school, informing IAQ source control. 2021