CCL2 and tuberculosis: Among the eight variants that were in LD with MCP1 -362 and/or MCP1 -2581 according to data available from NCBI and therefore subjected to genotyping in the present study we found the 14 base pair deletion in intron 1 (int1del554-567) associated with protection against TB similar to the ORs of MCP1 -2581G and MCP1 -362C.