We tested 50 heterosexual partners of hepatitis C viraemic (HCV) indiv
iduals, using second generation HCV antibody assays and a validated po
lymerase chain reaction assay. In none of them were HCV antibodies or
HCV-RNA detected. The median duration of the sexual relationship was 1
3 years. This study, with the most sensitive techniques for detection
of HCV, indicates that the risk of sexual transmission of HCV is absen
t or very low.