TLR9 and Sepsis: In studies focusing on infection or sepsis, associations have been described for SNPs in the TLR1 (rs5743551), TLR2 (rs5743708), TLR4 (rs4986790 and rs4986791), TLR9 (rs5743836), IRAK1 (rs1059703), and TIRAP genes (rs8177374 and rs7932766) [7,16-21].