The tribe launched a screening program targeting those aged 20 to 65 because of their statistically higher chances of having the disease. More than 1,300 members tested positive, with a 90 percent cure rate among those who have started treatment. "It's a trailblazing project for the entire country," said CDC official John Ward. In other public health news: vaping, prostate cancer, antibiotics, the latest viral internet debate, and more.