Increasing Syphilis in Rhode Island: Return of an Old Foe.

The number of people diagnosed with syphilis has increased significantly in the United States over the last decade. In Rhode Island, the number of new diagnoses has increased more than four-fold since 2008. Syphilis disproportionately impacts gay, bisexual, and other men who have sex with men (MSM), with those from African American and Hispanic/Latino communities most affected.