Lab eau-air-sol published an article on fungal contamination in ventilation ducts in the September-October 2016 issue of CLIMAPRESSE magazine (CETAF). This article focuses on the role of ventilation in maintaining good air quality, and on methods for assessing the cleanliness of these systems.
For more details: Climapresse, volume 23, issue 5, September-October 2016
http://cetaf.qc.ca/nouvelles-et-evenements/contamination-fongique-ventilation/