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Koch, A.* ; Heilemann, K.-J.* ; Bischof, W.* ; Heinrich, J. ; Wichmann, H.-E.

Indoor viable mold spores: a comparison between two cities, Erfurt (eastern Germany) and Hamburg (western Germany).

Allergy 55, 176-180 (2000)

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Open Access Green as soon as Postprint is submitted to ZB.

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BACKGROUND: In eastern Germany, the prevalence of allergies is lower than in western Germany for both children and adults. Several reasons for this fact have been discussed, although it is still not completely understood. One purpose of the epidemiologic study "Indoor and genetic factors in asthma and allergy" (INGA) is to compare exposure to mold spores in two German cities. Therefore, 405 homes in Erfurt (east) and Hamburg (west) were visited twice by trained investigators between June 1995 and May 1997. METHODS: Samples of settled dust were taken by vacuuming from the carpet in the living room. Sieved house dust was diluted and plated on DG18 agar. The analyses were carried out in duplicate in the same laboratory. RESULTS: No significant difference could be shown for the total and for single genera (Alternaria, Aspergillus, Cladosporium, and Penicillium) in concentration of spores of viable fungi in settled house dust between Erfurt and Hamburg. Seasonal variation of the mold picture, with highest values in August, could be identified both indoors and outdoors. CONCLUSIONS: Because outdoor concentration is the main influence on indoor concentration of mold spores from June to October, we recommend sampling from November to May to evaluate exposure to indoor mold spores.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

Keywords exposure assessment house dust mold spores seasonal pattern threshold limit values

ISSN (print) / ISBN 0105-4538

e-ISSN 1398-9995

Journal Allergy

Quellenangaben Volume: 55, Issue: 2, Pages: 176-180

Publisher Wiley

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Institute of Epidemiology (EPI)