December 28, 2011: Columbus Voyage Tied to Syphilis Spread?
Skeletal evidence indicates the disease was nonexistent in Europe before his historic sail, study says

November 17, 2011: 19 Million New STD Infections Reported Annually, CDC Says
Treating chlamydia, gonorrhea and syphilis costs U.S. $17 billion a year

November 22, 2010: New STD Report Finds Some Progress, High Costs for U.S.
19 million new infections each year cost health care system $16.4 billion, CDC says

May 06, 2010: Needle-Sharing by Sex Workers Tied to Spread of Syphilis
Study near U.S.-Mexico border also cites risk of HIV

November 16, 2009: Teen Girls at Higher Risk for STDs: Report
Improved access to treatment for chlamydia, gonorrhea, syphilis is 'imperative,' expert says

July 16, 2009: Pregnancy, STDs on the Rise Again Among U.S. Teens
Trend threatens to reverse years of positive change, CDC researchers say

January 13, 2009: U.S. Chlamydia Infections Hit All-Time High
Million-plus cases reported; women and minorities disproportionately affected, CDC says