HLA antigens in South American Indians

Yale University School of Medicine. Departament of Epidemiology and Public Health. New Haven, CT, U.S.A.Yale University School of Medicine. Departament of Epidemiology and Public Health. New Haven, CT, U.S.A.Ministério da Saúde. Fundação Serviços de Saúde Pública. Instituto Evandro Chagas. Belém, PA, Brasil.New HLA data for the Tirio, Parakanâ, Kayapo and Mapuche tribes, as well as supplementary data for the Waiâpi are presented. Taken together with previously published information on South American lndians, these typings show a remarkably homogeneous gene pool with a restricted range of polymorphisms and a further restricted set of haplotypes