Political map of Brazil showing the states where mycobacterial strains were isolated. Northern region, Amazonas (AM) and Pará (PA); central-east region, Distrito Federal (DF), Goiás (GO), and Mato Grosso do Sul (MS); northeast region, Alagoas (AL), Bahia (BA), Ceará (CE), Pernambuco (PE), and Rio Grande do Norte (RN); southeast region, Espírito Santo (ES), Minas Gerais (MG), Rio de Janeiro (RJ), and São Paulo (SP); southern region, Rio Grande do Sul (RS) and Santa Catarina (SC).