Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percentage of statewide Lyme disease cases from 1992 to 2007 occurring in each county for the 12 highly endemic Lyme disease states included in our analysis. Dots represent the center of each state weighted by the county case percentages. State latitude and distance to the Atlantic coastline were calculated from these weighted centers.
