title: Pre-Exposure Prophylaxis to Prevent HIV Infection: Why Do We Need It, What Are the Limitations, and Can We Successfully Provide It Today?
abstract: This article reviews the current literature and represents the author's thoughts and opinions on pre-exposure prophylaxis (PrEP), specifically in regards to the importance of this HIV prevention strategy, as well as the continued controversies and the unanswered questions.
authors.affiliation: Department of Medicine, University of California San Diego , La Jolla, California.
authors.forename: Maile Y
authors.initials: MY
authors.lastname: Karris
keywords: HIV prevention; pre-exposure prophylaxis; real-world provision