Children with double the levels of Der F, dog, and Aspergillus IgE also had an increased risk of current asthma (aOR, 1.11; 95% CI, 1.04 to 1.19 for Der F; aOR, 1.30; 95% CI, 1.16 to 1.46 for dogs; and aOR, 1.55; 95% CI, 1.39 to 1.72 for Aspergillus, respectively). Here, IGHE is linked to asthma.