An article suggesting that allergic responses may not be an accident of an off-target immune system, but rather a deliberate defence against potential harm, provokes the question of whether our understanding of allergy needs an overhaul. Immunologists provide their opinions. See Perspective p.465
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Artis, D., Maizels, R. & Finkelman, F. Allergy challenged. Nature 484, 458–459 (2012). https://doi.org/10.1038/484458a
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DOI: https://doi.org/10.1038/484458a