In the case of HNP-1, there is a 13-fold increase in the serum of pregnant women with COVID-19 when compared with controls (p < 0.0001) (Figure 8A), while HNP-1 in COVID cord blood increases 7.6 times in comparison to controls (p < 0.001) (Figure 8A). Here, DEFA1 is linked to COVID-19.