Mutant HIV Wave Threatens Decades of Drug Progress, Study Finds

A wave of drug-resistant HIV emerging in the U.S. threatens to undermine progress made in treating patients in poor countries, a study published online by the journal Science found.

About 60 percent of drug-resistant HIV strains circulating in San Francisco can spur self-sustaining epidemics as patients who haven’t been treated spread them, researchers from the University of California, Los Angeles said in the study. About 75 percent of those strains are impervious to a class of drugs that includes those made by Pfizer Inc., Johnson & Johnson and Bristol-Myers Squibb Co., they said.

The mutant strains may reverse progress made in expanding treatment programs in poorer nations such as South Africa, where there is little access to back-up medicines when resistance occurs, researchers led by Sally Blower at the university’s Center for Biomedical Modeling said. Patients in developed countries are less likely to suffer because they have better access to alternative treatments, they said.

Full Story Mutant HIV Wave Threatens Decades of Drug Progress, Study Finds – Bloomberg.com.

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