Lyme disease is a debilitating, sometimes fatal infection passed to humans by infected blacklegged ticks. According to the Centers for Disease Control and Prevention, there are more than 30,000 cases of the disease each year nationwide. Due to underreporting, the actual incidence may be as high as 10 times the reported figure. Anyone who spends time outdoors, even if it’s only your backyard, is at risk of tick bites, thus are at risk of contracting Lyme Disease. Learn about the 12 WORST states for Lyme Disease.