| htlv-1 infection in papua new guinea: evidence for serologic false positivity. | serum samples from 557 individuals participating in studies from four separate lowland and highland populations in papua new guinea exhibited consistently false-positive results for human t lymphotropic virus (htlv) type 1 (10%) and human immunodeficiency virus (hiv) type 1 (5%) antibody in direct antiglobulin and agglutination assays. all serum samples were negative in competitive elisas and radioimmunoassays for htlv-1 and hiv-1; selected samples of reactive sera were negative in an htlv-2 com ... | 1989 | 2723452 |