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

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.

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