1.   After that, those who still have no detectable virus in their blood or tissues will be given the opportunity to stop all antiviral therapy.

2.   However, the committee requested that the scientific investigators take extra steps to use a baboon that was infected with as few detectable viruses as possible.

3.   If there is no detectable virus in the semen, it can apparently be safely used for insemination, she said.

4.   Neither status predicted whether a patient would have detectable virus in his semen after a month of treatment.

5.   Three still have undetectable viral loads, but the other three now have detectable virus and decreasing immune cells.

6.   Three of the four macaques showed no detectable virus after the first two exposures.

7.   Zackin has had no detectable virus for a year, and his immune system is steadily rebuilding.

8.   And six of those, who had tonsils that could be tested before and after the trial, had no detectable virus in the tonsil tissue.