text: To test their hypothesis, Huffnagle and Mairi C. Noverr, Ph.D., a U-M post-doctoral fellow, have developed the first mouse model designed to mimic how humans develop allergies following antibiotic therapy. In a just-published study in the current issue of Infection & Immunity, they report results of new experiments linking changes in GI tract microflora to an overzealous allergic response in the lung.