According to one recent estimate, one quarter of the population of southern Africa may die of Aids.

BBC: Overview: Breaking the silence

In some southern African countries, half of new mothers could soon die of AIDS. Epidemics are emerging in China, India, eastern Europe and countries in the former Soviet Union.

ECONOMIST: The menace of AIDS | The

The UN report predicts that unless there is a massive increase in prevention and treatment, 68m people will die of AIDS in the 45 most-affected countries between 2000 and 2020.

ECONOMIST: The menace of AIDS | The

Many of those who die from Aids-related illnesses, do so younger, often because they were not diagnosed early.

BBC: Is HIV still a death sentence in the West?

Simply put, ART saves the lives of those who would otherwise die from AIDS-related illness.

WHITEHOUSE: Fact Sheet: HIV/AIDS Treatment

Thousands of people die every day from preventable, treatable diseases like AIDS, TB, and malaria.

CNN: Commentary: Let's launch the 'next revolution'

But so long as tens of millions of people live with this devastating disease, and so long as nearly two million people die from AIDS-related diseases every year, we cannot and will not rest.

WHITEHOUSE: Statement from the President on the United Nations High-Level Meeting on HIV/AIDS | The White House