CD8A and tuberculosis: Notwithstanding, baseline total leucocytes, lymphocytes, and neutrophils correlate with TB severity and predict TB treatment success.[16,17] Further, neutrophilia in active TB is associated with 3-fold odds of mortality.[18] The aim of this study was to compare peripheral blood counts of CD4+ and CD8+ T-lymphocytes, monocytes, and neutrophils and the CD4:CD8 ratio among TB patients with and without history of cigarette smoking.