CD40LG and toxoplasmosis: In 2016, extensive uveitis workup (normal CBC-no eosinophilia; purified protein derivative (PPD) skin test; Venereal disease research laboratory (VDRL); Chest radiograph), failed to reveal positive tests except for toxoplasmosis (IgM 0.66 IU/mL-negative < 0.8; IgG 418 IU/mL-positive > 3).