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New research from microbiologist Ashley Haase of the University of Minnesota and colleagues shows that HIV quickly finds hiding places in the body that no drug can attack. According to the study, HIV entered resting T cells--which are inactive and not noticed by the immune system--within three days of getting into the body. The researchers, who report their findings in the journal Science, infected 14 rhesus monkeys vaginally and observed that by day 12 HIV could be detected throughout the animals' lymphatic systems and organs. A similar pattern of infection was noted in patients with HIV infections, the researchers added.