"Tulsa Dental Patients Fume After Exposure to Disease"
ABC April 19
http://abcnews.go.com/Health/tulsa-dental-patients-fume-exposure-disease/story?id=18999316#.UXHWwKLrxOA 
"Former patients of a Tulsa, Okla., dentist accused of using dirty needles and instruments are outraged over reports that at least 60 people have tested positive for hepatitis and HIV. But investigators say the source of the infections is still unclear."