Notably, low parasitemia was detected upon re-infection with peak levels reaching 0.006 ± 0.01% (Figure 4A) and 0.123 ± 0.267% (Figure 4B) for the LD01 cohorts and 0.101 ± 0.193% for the α-PD1 mAb cohort (Figure 4B). Here, PDCD1 is linked to infection.