Rates of sexually transmitted diseases per 100,000 adolescents, 2000. Chlamydia: age 15-19: white 643.0, black 4631.2. Age 20-24: white 644.2, black 4657.5. Gonorrhea: Age 15-19: white 111.3, black 2739.1. Age 20-24; white 130.9, black 3418.2. Syphilis: Age 15-19 white 0.4, black 12.6, Age 20-24: white 0.9, black 25.6.
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