21.   In this case, he said, the company decided to withhold viral loads in the hopes of keeping patients from dropping out of the study.

22.   Many are cautious about the merits of embracing viral load tests in either the clinic or the clinical trial.

23.   My viral load is undetectable.

24.   Research has shown that the relation between viral load and progression to AIDS differs according to sex.

25.   Several other studies of sex differences in viral load are under way, she said, and may help to resolve the question.

26.   So far the strongest evidence that reducing viral load with protease inhibitors improves health comes from two short trials of patients in the very last stages of the disease.

27.   The approval for the expanded use would allow Roche to market the viral load test as a tool for managing therapy.

28.   The child looked fine, but after eight months on a drug cocktail, her viral load was skyrocketing.

29.   The company hopes soon to market the device for viral load detection in HIV.

30.   The effectiveness of the therapy would be largely unknown without new tests to measure the amount of HIV, the so-called viral load, in the blood.