Highly TB-Exposed Infected children also had higher levels of BCG-specific IFN-γ at 96 h (median 197.2 pg/ml, IQR 125.4–418.3) compared to Highly TB-Exposed Uninfected children (median 121.4pg/ml, IQR 59.53–231; p = 0.0138). The gene discussed is IFNG; the disease is tuberculosis.