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'Researchers have identified mysterious new symptoms that have left scores of people in Asia and sub-Saharan Africa with an AIDS-like disease and drug-resistant HIV respectively. Coincidentally, vaccine trials took place in several regions in both continents.
The patients' immune systems become damaged, leaving them unable to fend off germs as healthy people do. What triggers this isn't known.
Researchers publishing in the Lancet studied 26,000 untreated HIV-positive people in developing countries and found the most rapid increase in drug resistance occurred in East Africa, at 29% per year. In Southern Africa, it was 14% per year.'
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