Clinical Edge

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Prevalence of Trichomonas vaginalis Infection in US

Clin Infect Dis; ePub 2018 Mar 15; Patel, et al

There is a high and disproportionate burden of urinary Trichomonas vaginalis (TV) infection in the adult civilian, noninstitutionalized black population in the US, a recent study found. 4,507 males and females aged 18-59 years, who participated in the 2013-2014 National Health and Nutrition Examination Survey (NHANES) and provided a urine specimen, were tested for TV infection. Participants were also examined for Chlamydia trachomatis (CT) infection, genital human papillomavirus (HPV) infection, and herpes simplex virus type 2 serostatus. Among the findings:

  • TV infection prevalence was 0.5% and 1.8% among males and females, respectively.
  • TV infection prevalence was 4.2% among black males, 8.9% among black females, and 0.03% and 0.8%, respectively, among males and females of other races/ethnicities.
  • TV infection prevalence was positively associated with female sex, black race, older age, having less than a high school education, being below the poverty level, and having ≥2 sexual partners in the past year.
  • Among persons aged 18-39 years, there was a significant racial disparity in all sexually transmitted infections examined.


Patel EU, Gaydos CA, Packman ZR, Quinn TC, Tobian AAR. Prevalence and correlates of Trichomonas vaginalis infection among men and women in the United States. [Published online ahead of print March 15, 2018]. Clin Infect Dis. doi:10.1093/cid/ciy079.

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