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Antiretroviral drugs reduced HIV levels in this man's blood to minuscule levels, but his lymph node cells (purple) still produced detectable viral RNA (green). PHOTO: STEPHEN WIETGREFE, UNIVERSITY OF MINNESOTA

Researchers claim to find HIV sanctuaries

A new study stirs a longstanding debate and suggests that the way to cure HIV infections may be to make drugs that better reach “sanctuary…

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Credit: Ken Garrett

Unfilled Vials

Vaccines that appear scientifically feasible often move through development slowly because they have little commercial potential and thus have trouble attracting serious investments. Just such…

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HIV-infected people in a remote Zimbabwean village receive antiretroviral drugs at the local church once every 2 months. Photo: TJ Maposhere

HIV/AIDS care for all—on a budget

HARARE–Every 2 months, a Land Cruiser stuffed with health care workers leaves Harare’s Chidamoyo Hospital early in the morning and drives 90 minutes east across…

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This 1463-day-old mouse is part of a long-lived cohort at The Jackson Laboratory. PHOTO: JENNIFER TORRANCE/THE JACKSON LABORATORY

Death–defying experiments

The longest lived laboratory animals shed light on the forces that lead some to any early grave and others to beat the odds and see…

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