A 36-year-old woman is treated for cervicitis with a recommended regimen but continues to have persistent signs of cervicitis at her follow-up visit 10 days later. The initial testing and repeat testing for Neisseria gonorrhoeae, Chlamydia trachomatis, and Trichomonas vaginalis are all negative. She reports one sex partner only during the past 3 months, and this partner was also evaluated and appropriately treated as a contact 2 days after the woman’s initial evaluation. A pregnancy test is performed and is negative.