CD79A and infection: In addition, significantly lower IgA Ab titers in the blood of HBGA+ bacteria-colonized piglets were observed after infection with RVA G1P[8] (Figure 3A, p < 0.01), RVA G5P[7] (Figure 3B, p < 0.001), and RVC G1P[1] (Figure 3E, p < 0.05).