Ho has calculated that the drugs should be able to wipe out remaining viruses at least from known reservoirs throughout the body in two to three years. But the only way to prove eradication would be to stop the drugs and see if the virus comes back. On Wednesday, Ho said he wouldnt ask any patient to consider that step before 2 (1/2) years of treatment.
And he emphasized that he is not urging widespread adoption of such early, aggressive treatment outside of trials. No one knows the long-term risks.
But other scientists are looking at similar experiments. A federally funded study will put 300 patients on triple-drug treatments and then see if some responding well after six months can continue to suppress the virus on just one or two drugs, says researcher Douglas Richman of the University of California, San Diego. Some patients in that study also may be offered the chance to stop therapy after 18 months or more, he says.
31. According to the passage, the attempt to eradicate the AIDS virus
A.hasnt been made seriously
B.is appreciated by California University
C.continues to show promise
D.will be successful in two and a half years
答案:C
32. Which is NOT true about Hos study?
A. 20 patients were involved in the study
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