Figure 3: (A) Repeat erythrocyte phosphatidylinositol glycan class A (PIG-A ) mutant frequency measurements for 4 participants over a 17-week period. (B) Measurement of PIG-A mutant frequency for 9 healthy volunteers on two separate occasions. The time between each blood sample acquisition ranged from 92 to 516 days with an average time of 270 days. Methods published previously (Lawrence, 2020 #23).