13. Kirjavainen PV, Hyytiäinen H, Täubel M. The environmental microbiota and asthma. In: Cox MJ, Ege MJ, von Mutius E, eds. The Lung Microbiome (ERS Monograph). Sheffield, European Respiratory Society, 2019 pp. 216–239. Disclosures: M.J. Cox was supported by Professor William Cookson and Professor Miriam Moffatt’s Joint Senior Investigator Award from the Wellcome Trust. M.J. Ege reports receiving a grant from the German Federal Ministry of Education and Research (BMBF), during the conduct of the study. M.J. Ege has patents issued (EP000002361632B1 with royalties paid, and US000009950017B2) for naturally occurring microbiota for protection from asthma and allergies. E. von Mutius reports receiving the following, outside the submitted work: personal fees from Boehringer Ingelheim, HAL Allergie GmbH and Nestlé Deutschland AG for acting as a speaker personal fees from Peptinnovate for consultation and personal fees from OM Pharma SA for working on an advisory board. https://doi.org/10.1183/2312508X.10012119 xi