Plasmodium vivax recurrences

(1a) SMRU study; (1b) US sordiers returning from the Pacific, 1963; (1c) Indonesian sordiers returning from Papua; (1d) children 1-5 living in Papua New Guinea. The cumulative recurrence curve of more slowly eliminated schizonticides (i.e, chloroquine, DHA-PP) is shifted to the right compared to rapidly eliminated schizonticides (i.e, artesunate).