Eighty three Tyvin patients with local pulmonary tuberculosis and 295 healthy donors of the same nationality were examined. They are resided in the central area of Tyva (in Kyzyl and its vicinities). In addition, 132 healthy Tyvin-Todjins were examined. Tuberculosis mortality was found to be associated with the antigen HLA-B15 in the Tyvins living in the central area of the Republic of Tyva (Kyzyl). The incidence of HLA antigens and polymorphic protein locus genotypes varies in different areas of the Republic of Tyva.
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