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IFN-γ ELISPOT responses to AE36. a The Rx/R0 ratios of specific spots at the indicated time points are depicted. Cutoff point: Rx/R0 = 1.5 (faint horizontal line). b–d Show the ML of each individual’s IFN-γ response at successive time points as a percent change of the ML of the Rx/R0 developed by the same individual at a preceding time point. Bars and circles represent medians and individual values, respectively
