The following graphs summarize six decades of venereal diseases data for the United States. As described in a recent ProMED report, the incidence of syphilis has been rising since 1999. 1,2 Note that reports of chlamydial infection have increased arithmetically since the disease became reportable in 1994.
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1. Berger SA. Infectious Diseases of the United States, 2011. 1030 pages, 464 graphs, 8237 references. Gideon e-books, http://www.gideononline.com/ebooks/country/infectious-diseases-of-the-united-states/
2. Berger SA. Syphilis: Global Status, 2011. 231 pages, 336 graphs, 861 references. Gideon e-books, http://www.gideononline.com/ebooks/disease/syphilis-global-status/
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