Volunteers who were qPCR negative for malaria parasites following CHMI had a median ALT of 46 IU/L (IQR 27–120 IU/L) at day 10, compared with a median ALT of 43 IU/L (IQR 26–80 IU/L) among those who were qPCR positive (Z = 0.79, P = 0.43; Supplemental Figure 7). Here, GPT is linked to malaria.