The story

Sonia, a single mother with HIV in Brazil, travels four hours to reach a government-run health facility that provides her with free drug treatment.

The journey is long, she told CNN, but it's a small price to pay for the government-provided drugs that have helped keep her out of the hospital for the past 11 years.

Sonia is just one of the many Brazilians who have benefited from the country's novel approach to fighting the HIV/AIDS epidemic. Read full article »

Vital Signs
Each month CNN's Dr. Sanjay Gupta brings viewers health stories from around the world.