Phenotypic analysis of five representative TCL from donor 5: CCE; IEC1 and IEC2, fractions isolated from CCE by IEC; and SA35 and SA40, two recombinant peptides from C. parvum sporozoites. White bars, CD3+; black bars, CD4+; dark gray bars, CD45RO+; striped bars, α/β-TCR; light gray bars, γ/δ-TCR.