CD40LG and pneumonia caused by chlamydia: Supplementary Table S4. In the few cases with positive testing, EBV (2 cases with IgM, and 3 cases with IgM and IgG), Mycoplasma pneumoniae (2 cases), and Chlamydia pneumonia (1) are reported (15, 16, 34, 37, 54) Supplementary Table S4.