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Figure W. MSM Prevalence Monitoring Project — Number of gonorrhea tests and number of positive tests in men who have sex with men, STD clinics, 1999–2005

Figure X. MSM Prevalence Monitoring Project — Syphilis serologic reactivity among men who have sex with men, STD clinics, 1999–2005

Figure Y. MSM Prevalence Monitoring Project — Test positivity for gonorrhea, chlamydia, and HIV and seroreactivity to syphilis among men who have sex with men, by race/ethnicity, STD clinics, 2005

Figure Z. MSM Prevalence Monitoring Project — Test positivity for gonorrhea and chlamydia and syphilis seroreactivity among men who have sex with men, by HIV status, STD clinics, 2005

Figure AA. Gonococcal Isolate Surveillance Project (GISP) — Percent of urethral Neisseria gonorrhoeae isolates obtained from men who have sex with men attending STD clinics, 1988–2005

Figure BB. Gonococcal Isolate Surveillance Project (GISP) — Percent of Neisseria gonorrhoeae isolates obtained from men who have sex with men attending STD clinics, 2002–2005