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Molds in indoor environment can be at the origin of severe respiratory disorders. The main factor likely to increase concentrations is water infiltration
Molds are microscopic mushrooms (fungi), in particular Penicillium, Aspergillus and Cladosporium
Dampness odor and visible molds are a predicting factor of high mold concentration in the air (> 470 CFU m3) in more than 80% of cases