Exposures to molds in school classrooms of children with asthma

摘要: Background Students spend a large portion of their day in classrooms which may be source mold exposure. We examined the diversity and concentrations molds inner-city schools described differences between within same school. Methods Classroom airborne spores, collected over 2 day period, were measured twice during school year by direct microscopy. Results There 180 classroom air samples from 12 schools. Mold was present 100% classrooms. Classrooms had differing levels scores. The total per 176.6 ± 4.2 spores/m3 (geometric mean ± standard deviation) ranged 11.2 to 16,288.5 spores/m3. scores for 1 19 (7.7 ± 3.5). accounted majority variance (62%) count, (56%) score versus school. species with highest found most commonly included Cladosporium (29.3 ± 4.2 spores/m3), Penicillium/Aspergillus (15.0 ± 5.4 smut spores (12.6 ± 4.0 basidiospores (6.6 ± 7.1 spores/m3). Conclusions Our study that is exposure, but particularly microenvironment varies quantity among also verified visible predictor higher spore counts. Further studies are needed determine clinical significance exposure relative asthma morbidity sensitized non-sensitized asthmatic children.