A 33-year-old man who has sex with men visits a sexual health clinic for sexually transmitted infection (STI) screening. In the past 6 months, he has had 2 different sex partners, and he practices insertive and receptive sex (anal and oral). He intermittently uses condoms. He had a negative HIV test 5 months ago. He reports his overall health is good, and he currently has no urethral, oropharyngeal, or rectal symptoms.