TLR7 and infection: However, to TLR7 rs179008 (A/T) polymorphism for there was no difference in cytokine levels between individuals who were carriers of alleles related (T) and not related (A) to alterations in the structure of the TLR7 protein in individuals with HTLV-1 (Figure 3B) or according to the absence (Figure 3C) and presence (Figure 3D) of symptoms of diseases associated with infection.