Although Ccl3 was downregulated after infection with the clinical strains 267/47 and 120/26, the expression of this chemokine gene was restored the initial expression level by the 90th day p.i. by both strains; transcription of Cxcl2 gene was also downregulated after TB infection and restored to its initial level by the 90th day and 60th–90th days p.i., respectively. The gene discussed is CXCL2; the disease is infection.