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New system quickly tracks HIV prevalence Yahoo! News Armed with new testing technology, federal health officials are creating early-warning systems to quickly sound the alarm if HIV cases suddenly start to increase in a community. Until now, it has been impossible for health departments to track the ups and downs of the AIDS epidemic until months or years after infections occurred. The newest generation of tests, however, lets officials figure out whether patients were recently infected with HIV, the virus that causes AIDS.
—Posted: May 23, 2003
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