Fig. 4From: Investigating the role of circulating CXCR5-expressing CD8+ T-cells as a biomarker for bacterial infection in subjects with pneumoniaCXCR5 + CD8+ T cells could have diagnostic value when assessing the severity of bacterial respiratory infections. The optimal PCT, ratio of CXCR5 + CD8 + T cell and combination indicating exacerbation of CAP and HAP was analyzedBack to article page