1. Sexually transmitted infections. (2019). Accessed. July 14, 2020: https://www.who.int/news-room/fact-sheets/detail/sexually-transmitted-infections-(stis).
2. Incidence, prevalence, and cost of sexually transmitted infections in the United States. (2013). Accessed. July 18, 2021: https://www.cdc.gov/nchhstp/newsroom/docs/factsheets/2018-STI-incidence-prevalence-factsheet.pdf.
3. Intestinal and urogenital amebae, flagellates, and ciliates;Novak-Weekly S,2015
4. About the National Notifiable Diseases Surveillance System. (2021). Accessed. November 20, 2021: https://www.cdc.gov/nndss/about/index.html.
5. CDC. NCHHSTP AtlasPlus. (2021). Accessed: November 18, 2021: https://gis.cdc.gov/grasp/nchhstpatlas/tables.html.