CHICAGO—Researchers are detecting signs that the immune systems of HIV-infected patients treated with highly active antiretroviral therapy (HAART) can be at least partly restored—although many questions remain about how fully the battered immune system can be healed. The recovering immune system, an increasing awareness of the importance of the key immune cells in controlling infection, and concerns about drug-resistant HIV were among the issues that took center stage at the Sixth Conference on Retroviruses and Opportunistic Infections held here last month.
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