This was the case (F1,612 = 57,6 p<0.001) with the mean ANA level of 22.6 U/ml (SEM = 1.13) in Chitate, the low infection area, being significantly higher than the ANA level of 17 U/ml (SEM = 1.30) in Magaya, the high infection area. Here, BTG3 is linked to infection.