When Teguest Yilma helped found the Rotary Club of Addis Ababa Entoto in 2002, she thought polio had already been eradicated from most of the world. But while Ethiopia had been free of the disease, Yilma was shocked to learn that new cases had started cropping up in surrounding countries such as Somalia. “I was thinking, it’s not possible, we can’t be free if the countries around us are not free,” she says. Yilma, the managing editor of Capital, Ethiopia’s largest English weekly newspaper, has brought a journalist’s skills to the fight against polio. She became vice chair of the Ethiopia...