“A mere decade ago, 45,000 Americans a year were contracting HIV. Since the Centers for Disease Control and Prevention started collecting data on HIV-related deaths just over 30 years ago, more than half a million of those people have died from AIDS.

U.S. health officials and HIV experts are beginning to talk about a future in which transmission in the United States could be halted. And that future, they say, could come not within a generation, but in the span of just a few years.“