During Oscar Ccencho Huamani's three-year battle with multi-drug resistant tuberculosis, he was forced to quit his job because he was too weak to work. Like so many other recovered TB patients living in Peru, he needed an income desperately to…

When you're in a four-wheel drive vehicle threading its way through rocky mountain passes in the Andes, it's hard to imagine getting around any other way. But people do. Our driver slows on a narrow curve to make way for…