Many male couples in the U.S. seem to be underestimating the effectiveness of HIV pre-exposure prophylaxis (PrEP) for HIV prevention, and educating partners together could improve the number of male couples who decide to adopt PrEP. These conclusions come from a study reported in the July/August issue of The Journal of the Association of Nurses in AIDS Care (JANAC), the official journal of the Association of Nurses in AIDS Care.