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Prevalence of Aspergillus sp in Portuguese Infant and Elementary Schools

Joana Margarida Moutinho Barbosa

Background: Long-term exposure to a contaminated indoor environment may result in different health complaints. The filamentous fungi indoor air quality assessment of infant and elementary Portuguese schools and Aspergillus sp. identification was performed.
Methods: Environmental exposure was performed in seven infant and elementary schools, situated in Vila Nova de Gaia, during January 2011, following filamenteous culture characterization and identification for Aspergillus sp. Results: Filamentous cultures were more prevalent than yeasts, being Ascomycetes, more widespread than Zygomycetes. Elementary classrooms were more environmental contaminated than infantry level classrooms.
Conclusion: A. terreus and A. fumigatus cultures isolation occurred from samples exposed in two elementary classrooms and were related with school habitability and hygienisation conditions.