Ribeiro, Márcio Garcia [UNESP]Takai, Shinjide Vargas, Agueda CastagnaMattos-Guaraldi, Ana LuizaFerreira Camello, Thereza CristinaOhno, RyokoOkano, Hajimeda Silva, Aristeu Vieira2014-05-202014-05-202011-09-01American Journal of Tropical Medicine and Hygiene. Mclean: Amer Soc Trop Med & Hygiene, v. 85, n. 3, p. 510-513, 2011.0002-9637http://hdl.handle.net/11449/13917Virulence of Rhodococcus equi strains from 20 humans in Brazil was investigated by using a polymerase chain reaction to characterize isolates as virulent (VapA), intermediately virulent (VapB), and avirulent. Nine isolates were obtained from human immunodeficiency virus (HIV)-positive patients, six from HIV-negative patients, and five from patients of unknown status. Five isolates were VapB positive, four were VapA positive, and eleven were avirulent. Among the nine isolates from HIV-positive patients, five contained VapB plasmids and two contained VapA plasmids. Five VapB-positive isolates had the type 8 virulence plasmid. Eleven of the patients had a history of contact with livestock and/or a farm environment, and none had contact with pigs.510-513engArtigo10.4269/ajtmh.2011.10-0695WOS:000294581400022Acesso restrito2209124317273797