1. McCalla and Brerton also did early research into Rocky Mountain spotted fever . 2. Rocky Mountain spotted fever remains a serious and potentially life-threatening infectious disease. 3. He said ehrlichiosis has symptoms similar to Rocky Mountain spotted fever . 4. In 1625 / 1626 spotted fever spread and exacted its toll. 5. Ticks also carry Rocky Mountain spotted fever , babesiosis, ehrlichiosis, borrelia and other illnesses. 6. They include babesiosis, Rocky Mountain spotted fever , Colorado tick fever, tularemia and ehrlichiosis. 7. A hundred years ago, Rocky Mountain Spotted Fever was a new, emerging disease. 8. Also in that year, Barbara Kepler contracted Hungarian spotted fever , then began having seizures. 9. Both ehrlichiosis and Rocky Mountain Spotted Fever can be fatal. 10. This became easier to do once I got my own diagnosis : spotted fever .