virulent and avirulent strains of group b streptococci from rio de janeiro, brazil: relationship between differences in surface hydrophobicity, sialic acid content and macrophage interaction. 199910446008
molecular characterization of the first fluoroquinolone resistant strains of streptococcus agalactiae isolated in brazil.three isolates of streptococcus agalactiae, recovered from residents of the metropolitan area of rio de janeiro with significant bacteriuria, were found to be resistant to levofloxacin. determination of the minimal inhibitory concentration (mic) confirmed one isolate as intermediate and two as resistant to levofloxacin. no reduction in levofloxacin mic was observed with reserpine, indicating that resistance was not caused by an efflux mechanism. typical point mutations were observed in the quino ...201322980583
streptococcus agalactiae infection in cancer patients: a five-year study.although the highest burden of streptococcus agalactiae infections has been reported in industrialized countries, studies on the characterization and epidemiology are still limited in developing countries and implementation of control strategies remains undefined. the aim of this retrospective study was to assess the epidemiological, clinical, and microbiological aspects of s. agalactiae infections in cancer patients treated at a reference brazilian national cancer institute - inca, rio de janei ...201626993288
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