“…Both treatment approaches significantly reduced bedroom floor mouse allergen, but no significant changes were detected between the reduced bedroom floor mouse allergen content and measures of asthma control, including hospitalization, need for a short course of oral corticosteroids, or improved lung function. An accompanying editorial by Bacharier 14 raised the question whether a reduction in mouse allergen exposure was enough to improve asthma control. A potential limitation of the study by Matsui et al 13 was their focus on the home rather than in the classroom because there can be more mouse allergen at school where school-aged children have daily exposures throughout the school year.…”