the aim of this study was to evaluate the syphilis seroprevalence among 5,752 blood donors who were attended at the blood center of guarapuava, state of paraná, in 2006. the seropositivity rates were 2.1% for enzyme linked immuno sorbent assay and 0.2% for veneral disease research laboratory, thus showing low prevalence of syphilis among the individuals who came to this blood bank.
