| evaluation of surrogate markers for human immunodeficiency virus infection among blood donors at the blood bank of "hospital universitário regional norte do paraná", londrina, pr, brazil. | this study evaluated the usefulness of the anti-hbc, hepatitis c virus antibodies (anti-hcv), human t cell lymphotropic virus i and ii antibodies (anti-htlv i/ii), serologic tests for syphilis, and surface antigen of hepatitis b virus (hbsag) as surrogate markers for the risk for hiv infection in 80,284 serum samples from blood donors from the blood bank of "hospital universitário regional norte do paraná", londrina, paraná state, brazil, analyzed from july 1994 to april 2001. among 39 blood don ... | 2003 | 12751318 |
| seroprevalence and risk factors for human t cell lymphotropic virus type 1 and 2 infection in human immunodeficiency virus-infected patients attending aids referral center health units in londrina and other communities in paraná, brazil. | the municipality of londrina ranks second in the number of aids cases in the state of paraná, brazil, with the ministry of health notified of 1070 cases from 1984 to 2002. the aim of this study was to determine the seroprevalence and risk factors for htlv-1/2 infection in hiv-infected patients attending the aids reference center serving londrina (and surrounding region), paraná, brazil. data concerning sociodemographic conditions and risk factors were collected from 784 hiv-infected patients, us ... | 2005 | 15943567 |
| difficulties in the diagnosis of htlv-2 infection in hiv/aids patients from brazil: comparative performances of serologic and molecular assays, and detection of htlv-2b subtype. | the current diagnosis of human t-lymphotropic virus type-2 (htlv-2) infection is based on the search of specific antibodies; nevertheless, several studies conducted in brazil pointed deficiencies of the commercially available kits in detecting htlv-2, mostly in hiv/aids patients. this study searched for the presence of htlv-1 and -2 in 758 hiv/aids patients from londrina, paraná, brazil. serum samples were screened for htlv-1/2 antibodies using two eia kits (vironostika and murex), and confirmed ... | 2007 | 17823751 |