TLR4 and HIV infectious disease: To identify an association between the rs4986790 SNP (D299G) and susceptibility to HIV infection, we performed an association analysis between HIV patients for whom information on ethnic background and allele frequencies of rs4986790 SNP of the TLR4 gene were reported in previous studies [14,15,16] and matched Caucasian control populations, including Iberian populations in Spain, Tuscans from Italy and northern and western Europeans from Utah, obtained from the 1000 Genomes Project.