At the turn of the century, and the beginning of the Millennium Development Goals, an HIV diagnosis was equivalent to a death sentence for most children and their families in low-income countries. But now, an early diagnosis paired with treatment and care can ensure long healthy lives, regardless of location, and can help prevent transmission of HIV to others. Since 2000, thirty million new infections were prevented, nearly eight million deaths averted, and fifteen million people living with HIV are now receiving treatment.

“It would be one of those histories where you’d say, ‘A miracle happened’,” said Sheila Tlou, Director of UNAIDS, Eastern and Southern Africa Region.

Here is a glance at a slice of that miracle, and a look toward the unfinished business.