CD163 and Crohn disease: Similar numbers of CD163+pSTAT1+ and CD163+CMAF+ macrophages (M1 ≈ M2) were observed in seven Th1 cases (3 infectious mononucleosis and 4 Crohn’s disease) while two cases of infectious mononucleosis and one case of Crohn’s disease showed an predominance of CD163+/CMAF+ cells over CD163/pSTAT1+ cells (M2>M1) (Supporting Information, Table S2 and Figure S1).