Fig. 1.
The ratio of circulating CXCR5-expressing CD8+ T cells among CD8 + T cells in all individuals was determined by flow cytometry. a: tuberculosis, b: controlled HAP, c: un-controlled HAP, d: bronchiectasis, e: controlled CAP, f: progressive CAP. Representative FACS plots of CXCR5 expression in CD8+ T cells from lymphocytes are shown