An increase in the transmission rate of drug-resistant human immunodeficiency virus (HIV), now affecting as many as one in five newly infected persons, has been discovered by researchers at the University of California, San Diego (UCSD) School of Medicine.
In a five-year, multi-center study of more than 300 patients in 10 North American cities, the investigators found that the transmission rate of drug-resistant HIV had more than doubled, resulting in impaired patient-response once anti-retroviral therapy was provided. The results are published in the August 8, 2002 issue of the New England Journal of Medicine.
According to lead author Susan Little, M.D., UCSD assistant professor of medicine, and senior author Douglas Richman, M.D., UCSD professor of medicine, resistance was noted in persons on single-drug therapy as well as those receiving potent multi-drug treatment.
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Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
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