CD40LG and pharyngitis: Fever, headaches, cough, dyspnea, abdominal pain, nausea, vomiting, anorexia, and skin rashHSM, skin rash, and abdominal tenderness; no pharyngitis or palpable LNWBC and differential normal, increased liver enzymes and bilirubinEBV VCA IgM+ IgG+; EA Ab−; EBNA+; heterophile Ab−; WNV IgM−, IgG−; hepatitis A/B/C virus serology panel negative; Toxo Ab NDCT of chest, abdomen, and pelvis with HSM