| lower prevalence of human immunodeficiency virus type 1 brazilian subtype b found in northeastern brazil with slower progression to aids. | besides being extremely useful in measuring the level of hiv-1 diversity and prevalence in populations, the molecular analysis of genomic sequences provides crucial surveillance support and aids in the development of new therapies and effective vaccines. the present study focused on gag and env dna and amino acid sequences that were generated from samples taken from 61 infected patients in the city of salvador, bahia, located in northeastern brazil. in order to determine selective pressure and p ... | 2010 | 20854208 |
| prevalence and risk of blood-borne and sexually transmitted viral infections in incarcerated youth in salvador, brazil: opportunity and obligation for intervention. | to determine the prevalence of sexually transmitted and blood-borne infections among incarcerated adolescents in salvador, brazil, we interviewed 300 incarcerated youth aged 11-18 years to participate in a physical examination and to provide a blood sample to test for hiv-1, hepatitis b and c viruses exposure, human t-cells lymphotrophic virus, and syphilis. overall prevalence was anti-hiv, 0.34%; anti-hbc, 11.1%; hbsag, 2.4%; anti-hcv, 6.4%; htlv, 1.09%; and syphilis, 3.4%. the majority (86.3%) ... | 2008 | 18500658 |
| [htlv-1 associated myelopathies in the city of salvador, bahia]. | chronic myelopathy associated with human t-lymphotropic virus type i (htlv-i) has been described in several endemic areas in brazil. in salvador, 102 patients with myelopathy were screened for htlv-i/ii by elisa and western blot assays. we found 36 patients with htlv-i/ii associated myelopathy confirming the high prevalence of ham in salvador. the initial complaint of our patients were urinary urgency, back pain and progressive unsteadiness on walking. on examination all of them had a spastic pa ... | 1994 | 7893204 |