Today, thanks to the combined efforts of governments, companies, NGOs, health professionals, researchers and everyday volunteers, more children are born free of HIV than ever before. But we have not yet hit "zero."

Strong community leaders are key to the global HIV response and to bringing the epidemic under control, and yet international donors sometimes underestimate the importance of ownership of a program at a local level.

Only time will tell to what extent the use of in-home HIV testing will become widely practiced, but for today if you are focused, read, prepared, and use support, in-home HIV testing is a great way to take knowing your status (literally) into your own hands.

In just six years, DKT Ethiopia has transformed its system for tracking contraceptive sales from pins and pencils to computers and satellites and, in the process, helped create a family planning and HIV prevention success story in the Horn of Africa.

While I'd been studying the health care system with a powerful research lens, it wasn't until I heard my father's voice break as he described his ongoing battle with this broken system that I truly understood the purpose of my work.

One thousand days might seem like a lifetime for your typical MTV viewer, living their life from day to day, but it's really not much more than the blink of an eye in the long and exacting struggle against HIV/AIDS.

In the Garifuna communities of Honduras, it's an act of courage to admit to being HIV positive. With a grant from the Pulitzer Center, photographer David Rochkind and I interviewed people who overcame fear and discrimination to go public with their diagnosis and help educate others.

The Global Fund's replenishment this year is another important chance to gather resources to advance the work we are doing in Zimbabwe and the work that many others are doing around the world.

The story of male circumcision in Southern and Eastern Africa illustrates the power of private investments, and their ability to unlock the funding that is needed to bring existing health solutions to the hardest to reach areas of the developing world.

There is great hope that we can finally stop infants from getting infected with HIV by their mothers. But first, countries with high rates of HIV infection must work out how to deliver reliable health programs to protect babies form their mothers' infected breast milk.

Women and girls have been at the center of the HIV prevention research agenda for more than a decade. Women account for half of new HIV infections worldwide, in part because there are too few prevention options that they can control.

As the heads of the Joint United Nations Programme on HIV/AIDS (UNAIDS) and the U.S. President's Emergency Plan for AIDS Relief (PEPFAR), we are firmly committed to advancing gender equality and responding to the unique health needs of women and girls.