BATF2 and tuberculosis: Similarly, Batf2 scores were significantly higher for all of the groups by day 28 when compared with both day 0 and day 14 post-infection (day 0 vs 28 untreated P < 0.0001; RhCMV/TB P < 0.0001; BCG P = 0.0001; BCG + RhCMV/TB P = 0.0006).