Can you get condyloma acuminatum without unclean sex?

In the clinical process of treating condyloma acuminatum, very few patients have never had unclean sex, and some even have no sexual contact, but they are diagnosed as condyloma acuminatum. What's going on here? Isn't sexually transmitted diseases only infected through sexual contact? For condyloma acuminatum, it does not mean that there will be no infection without unclean sexual contact. Condyloma acuminatum is highly contagious, the main route of transmission is sexual contact, and nine out of ten patients are infected through sexual behavior.