IFNG and tuberculosis: Due to a worsening of her clinical presentation with signs and symptoms of meningoencephalitis, duration of illness >2 weeks, medical history, origin from a region of high prevalence of TB, CSF criteria, and high level of interferon-gamma release assay (IGRA; 197.7 pg/ml; sent abroad) in CSF, treatment with four antituberculous agents was initiated: rifampicin (R), isoniazid (H), pyrazinamide (Z), and ethambutol (E).