IGHE and peanut allergic reaction: In this study, 2 individuals (4%) from the group with peanut allergy (n = 50) showed detectable levels of specific IgE to Ara h 6 (≥0.1) but remained unsensitized for Ara h 2 (<0.1) (see Table E3 in this article’s Online Repository at www.jacionline.org).