We've got the juice!...and then some. Even with little or undetectable virus in the blood, women can harbor HIV in their girlie parts. A new University of Southern California study found that in 39 percent of women with no sign of virus, HIV was still swimming in uterine, cervical and surrounding tissue cells. Experts are flashing "Proceed with caution" signs, as uncondomed kitty contact may be a key to transmission.