Three doses of a cheap, common antibiotic batter—but don’t beat—yaws, a tropical skin disease : Results from huge trial in Papua New Guinea suggest eradication may be hard to achieve

One year ago, the World Health Organization (WHO) declared yaws—a little-known, painful, and disfiguring tropical disease—a target for global eradication by 2030. Today, results from a clinical trial involving 56,000 people have shown just how challenging it will be to achieve that goal.