HPV Vaccination of Males Not Cost-Effective

"Only under the most favorable assumptions for the benefits of adding male HPV vaccination to female vaccination did the cost fall below $100,000 per QALY [quality of life-year], the threshold below which an intervention is considered a good economic investment," the editorialist explain.
Under no scenario did the cost of including males in HPV vaccination programs fall below $50,000 per QALY, which is perhaps a "more fiscally responsible threshold, given the need to lower healthcare costs and increase efficiency," they add.
"By comparison, HPV vaccination of 12-year-old girls was always a good health investment," whatever the modeling, the editorial notes.

It's true that either gender can pass this virus and if I were young and single I'd certainly want the vaccine. They're just looking at cost/benefit. In males it's relatively easy to spot as genital warts.

If the entire female population were vaccinated, and everyone were heterosexual, it wouldn't be necessary to vaccinate the boys to protect the girls.

Boys and men who have same-sex intercourse are at risk for anal and throat cancer.