“…Other studies that analyzed uropathogenic E. coli isolates in the same area revealed a norfloxacin resistance rate of 11.6% in Ponta Grossa ( Bail et al , 2006 ) and 13.8% in Curitiba ( Ito et al , 2008 ). In Fortaleza in the northeast of Brazil, a lower resistance rate of 7.5% was described for norfloxacin ( Araújo et al , 2011 ). In Europe, a multicentric study showed a ciprofloxacin resistance rate from 1.4% to 12.9% ( Schito et al , 2009 ), whereas a higher rate (31%) was registered in the hospitalized population in Ribeirão Preto, Brazil ( Santo et al.…”