![PBS NewsHour show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/914/small/pbs-newshour-podcast-pbs.jpg)
Summary: News of three promising approaches raised hope at an AIDS conference this week: the prevention of HIV infections in monkeys through intravenous injections; the second successful treatment of a baby born with HIV; and a study showing the safety of genetically altering cells to prevent infection. Jeffrey Brown turns to Dr. Anthony Fauci of the National Institutes of Health to walk through the developments.