Kutukculer, NMoratto, DAydinok, YLougaris, VAksoylar, SPlebani, AGenel, FNotarangelo, LD2019-10-272019-10-2720030022-34761097-6833https://doi.org/10.1067/mpd.2003.41https://hdl.handle.net/11454/37952We report the case of an infant with severe respiratory infections, chronic diarrhea, failure to thrive, and disseminated Cryptosporidium parvum infection. Laboratory investigations disclosed a diagnosis of hyper-IgM syndrome caused by CD40 deficiency.en10.1067/mpd.2003.41info:eu-repo/semantics/closedAccessDisseminated Cryptosporidium infection in an infant with hyper-IgM syndrome caused by CD40 deficiencyArticle1422194196WOS:00018114440002712584544Q1