It was also observed that, TB incidence was noticeable among patients with baseline CD4 count of < 50 cells/μl (18.77 cases per 100 PY; 95% CI: 11.31, 31.13) and being from 50 to 100 cells/μl (18.93 cases per 100 PY; 95% CI: 11.93, 30.04). The gene discussed is CD4; the disease is tuberculosis.