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Log10 CFU counts of M. tuberculosis H37Rv in the active TB and latent TB groups. (A) After 4 weeks of infection in the lungs. (B) After 4 weeks of infection in the spleen. (C) After 6 weeks of infection in the lungs. (D) After 6 weeks of infection in the spleen. (E) After 8 weeks of infection in the lungs and spleen of the latent group. Values are Mean ± SE of five animals from each group. *p ≤0.05, **p ≤0.01 as compared to the active group.
