Fig. 6.

Correlations between various ADCC activities.

Correlation matrix for ADCC activities of passively-acquired infant plasma (a) or maternal plasma (b). Spearman rank correlations are shown on the heatmap. Red indicates a negative correlation, white indicates no correlation, and blue indicates a positive correlation. ND = not done. Statistical significance levels are shown as:

p < 0·05 = *.

p < 0·01 = **.

p < 0·001 = ***.

p < 0·0001 = ****. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)