Lyme Disease Description Borrelia burgdorferi bacteria from ticks Location Mountains or highlands regions of western states and western Canada that contain rocky surfaces with moderate shrub cover and scattered pines Cause Bite by an infected tick Symptoms Headache, slight fever, muscle or joint pain, neck stiffness, swollen glands, jaw discomfort and inflammation of the eye membranes A rash (erythema migrans) occurs in 65–75 percent of cases. The rash often looks like a bulls-eye with central clearing and/or darkening around the edge. Additional skin lesions may appear in order areas and could last for days or weeks. Heart, nervous system and joint issues may develop if untreated. Treatment Seek medical attention from a physician Prevention Avoid tick-infested habitats during spring and early summer Use personal protection, such as wearing pants and shirts with long sleeves Other Facts Over 9,000 cases were reported in 1992 in the northeastern and upper Midwest states in the United States, which were caused by the deer tick.