41. A professor emeritus at the University of Maryland medical school, Fiset investigated diseases like typhus and Rocky Mountain spotted fever . 42. Prisoners were also deliberately infected with spotted fever for vaccination research and exposed to toxic substances to study the effects. 43. Topping also helped develop the first effective treatment against Rocky Mountain spotted fever , a tick-borne disease native to the West. 44. Divisions have also been identified in the spotted fever group and this group likely should be divided into two clades. 45. Last year, Texas reported 10 cases of Rocky Mountain spotted fever _ up from two or three the year before. 46. He later worked in the Bitterroot Valley of Montana and at the University of Chicago on Rocky Mountain spotted fever . 47. In December 2013, hockey player Shane Doan was diagnosed with Rocky Mountain spotted fever , and returned to play in January 2014. 48. She also worked to culture the agent of spotted fever as a prelude to a vaccine against Rocky Mountain spotted fever . 49. She also worked to culture the agent of spotted fever as a prelude to a vaccine against Rocky Mountain spotted fever. 50. Some said it was Rocky Mountain Spotted Fever contracted from a tick bite, some said he had a serious drinking problem.
