Figure 1

Study design. Schematic shows the work flow of three cross-sectional groups. Dashed line refers to samples which were taken for further experiments. (a) Subjects whose numbers of IFN-γ-secreting cells were higher than doubling of mean plus 2SD of spots in non-stimulated wells of P. vivax infected subjects were taken for further experiment as shown in arrow line. AC acute phase, RC recovery phase.