 According to the "Journal Citation Reports", the journal has a 2018 impact factor of 14.1, ranking it first out of 25 in the category "Allergy" and 5th out of 150 in the category "Immunology"., this journal was the most cited of any in the allergy/immunology medical specialty.The editor-in-chief is Zuhair K. Ballas, who succeeded Donald Y.M.