1. Centers for Disease Control and Prevention. Sexually transmitted disease. Chlamydia statistics. Available at: https://www.cdc.gov/std/chlamydia/stats.htm. Accessed October 25, 2017.
2. Centers for Disease Control and Prevention. Sexually transmitted disease. Gonorrhea statistics. Available at: https://www.cdc.gov/std/gonorrhea/stats.htm. Accessed October 25, 2017.
3. Centers for Disease Control and Prevention. 2016 Sexually transmitted disease surveillance. National profile. Chlamydia. Available at: https://www.cdc.gov/std/stats16/natoverview.htm. Accessed October 25, 2017.
4. Centers for Disease Control and Prevention. 2016 Sexually transmitted disease surveillance. National profile. Gonorrhea. Available at: https://www.cdc.gov/std/stats16/natoverview.htm. Accessed October 25, 2017.
5. Centers for Disease Control and Prevention. Trichomoniasis. Trichomonas statistics. Available at: https://www.cdc.gov/std/trichomonas/stats.htm. Accessed October 25, 2017.