The diagnosis of allergic rhinitis was established by history, physical examination, and skin testing for immediate hypersensitivity to airborneallergens.
2
In addition, allergen-specific IgE concentrations of food and airborneallergens were measured in blood samples collected at age 8 y.
3
About 10 million U.S. residents have so-called allergic asthma, in which asthma attacks are triggered by pollen or other airborneallergens.
4
At 4 years, the response rate was 90%, and allergen-specific IgE levels to food and airborneallergens were measured in 2614 of the participating children.