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OBJECTIVEThe aim: Is to study the efficacy of influenza vaccination for individuals with polymorphism Arg753Gln of TLR-2 gene, Leu412Phe of TLR-3 gene, and Asp299Gly of TLR-4 gene.PATIENTS AND METHODSMaterials and methods: 66 people with mutant genotypes and normal distribution of alleles of TLR-2, TLR-3, TLR-4 genes, aged 18-63, were inoculated with anti-influenza vaccine. The genotyping of Arg753Gln polymorphic site of TLR-2, Asp299Gly of TLR-4, and Leu412Phe of TLR-3 gene was carried out by polymerase chain reaction with oligonucleotide primers usage. The immunological efficacy of vaccination was evaluated by seroconversion, seroprotection, and dynamics of mean geometric titers of antibodies.RESULTSResults: It has been established that individuals with mutant genotypes Arg/Gln of TLR-2, Leu/Phe, Phe/Phe of TLR-3, Asp/Gly of TLR-4 genes have a vaccinal response to administering anti-influenza vaccine at the level of subjects with normal distribution of TLR alleles, as evidenced by the growth in dynamics of mean geometric titers of antibodies to vaccine strains, the level of seroprotection and seroconversion. Clinical and epidemiological efficacy of vaccination in this category of people is characterized by: reduction of ARI cases in the postvaccinal period by 2,0-3,0 times; prevention of pneumonia in all vaccinated subjects; decrease in the frequency of bronchitis by 2,5-3,8 times.CONCLUSIONConclusions: Effectiveness of influenza vaccination in individuals with Arg573Gln polymorphism of TLR-2, Leu412Phe of TLR-3, Asp299Gly of TLR-4 genes by immune and clinical epidemiological parameters is determined at the level of vaccinated subjects with normal distribution of TLR-2, TLR-3, TLR-4 alleles. Specific influenza immunization of people with polymorphic modified genotypes of TLR-2, TLR-3, TLR-4 genes can prevent the development of pneumonia and reduce the incidence of bronchitis.

EFFICACY OF SPECIFIC PREVENTION OF INFLUENZA IN INDIVIDUALS WITH POLYMORPHISMS ARG753GLN OF TLR-2, LEU412PHE OF TLR-3, ASP299GLY OF TLR-4 GENES