CD4 and tuberculosis: There was an increase in the concentration of CD3+, CD4+, and CD4+/CD8+ T cells, and a decline on the CD8+ T cells in both groups at 6 months after treatment (P < 0.05), the CD3+, CD4+, and CD4+/CD8+ T cells revealed a significant rise, and CD8+ T cells showed an obvious decrease in the antiviral group compared to the anti-TB group (P < 0.05).