Flow cytometric analysis of CD8+naïve, double positive and memory T cells from malaria-naïve donors (n = 12) andP. vivax-infected donors (n = 17). A. CD8+CD45RA+. B. CD8+CD45RA+CD45RO+. C. CD8+CD45RO+. Results were expressed in absolute numbers (cells/mm3). Mann–Whitney test was used for comparison and the results were expressed as the median with interquartile range.