National Lyme Disease Cases Map

Where does Lyme disease occur? Our interactive map allows you to compare Lyme disease incidence between regions of the U.S., or even individual states. (data based on cases reported to the Centers for Disease Control and Prevention)

Are you concerned about the serious health threat caused by ticks?

Would you like to make appropriate tick-borne diseases prevention programming more widely available? If you answered yes to these questions, please consider supporting the Tick Encounter Resource Center at the University of Rhode Island. Proceeds help support tick-bite prevention programs.