Figure 37. Primary and Secondary Syphilis—Rates by County, United States, 2009

NOTE: In 2009, a total of 2,194 (69.9%) of 3,141 counties in the United States reported no cases of primary and secondary syphilis.

NOTE: In 2009, a total of 2,194 (69.9%) of 3,141 counties in the United States reported no cases of primary and secondary syphilis.