IGHG3 and influenza: Higher seroconversion rates for influenza-specific IgG, IgG1, and IgG3 (p < 0.010) and higher influenza-specific IgA levels in saliva were noted 4 weeks following trivalent inactivated influenza vaccination (TIV) (B. casei p = 0.017, B. lactis p = 0.035) [154].