Background: Although mouse allergen is a well-defined cause of IgE-mediated
hypersensitivity in occupational settings, it has not been well studied in the general
population. Objective: We sought to determine the prevalence of mouse allergen in inner-
city homes. Methods: A subset of 608 homes from the National Cooperative Inner-City
Asthma Study population had dust samples adequate for analysis of mouse allergen. In
addition, data regarding the demographics and housing of the subjects were related to the …