showed a trendP = 0.0956
Interestingly, the RBD mutant G446V showed a trend towards (adjusted P = 0.0956) better IgA recognition relative to RBDWT (median EC 50 = 157.7 IQR = 68.86–180.9) than that to IgG (median EC 50 = 246.5 IQR = 108.9–400; Figure 3b and d , Supplementary figure 6b ).