| prevalence ratio of htlv-1 in nursing mothers from the state of paraiba, northeastern brazil. | the human t-cell lymphotropic virus type 1 (htlv-1) was the first human retrovirus known as a direct causal agent of a malignant disease. the vertical route of htlv transmission is the most frequent pathway of the virus contamination. this study was performed to determine the prevalence ratio of htlv-1 infection among nursing women. from january 2004 to january 2005, blood samples from 1033 nursing mothers from paraíba, brazil were evaluated for htlv antibodies by elisa and htlv-1 viral particle ... | 2008 | 18689716 |