Boston, Massachusetts
March 4–7, 2018



The annual Conference on Retroviruses and Opportunistic Infections (CROI) brings together top basic, translational, and clinical researchers from around the world to share the latest studies, important developments, and best research methods in the ongoing battle against HIV/AIDS and related infectious diseases. CROI is a global model of collaborative science and the premier international venue for bridging basic and clinical investigation to clinical practice in the field of HIV and related viruses.

CROI 2018 will be held from March 4 to 7, 2018, in Boston, Massachusetts, at the Hynes Convention Center. Please note that CROI 2018 will be held from Sunday to Wednesday. Webcasts, abstracts, electronic posters, and other electronic resources from CROI 2018 will be available online after the conference.

The CROI Foundation partners with the International Antiviral Society–USA (IAS–USA) for organization of the conference.

The CROI 2018 general registration application system is now open and accepting applications. Please note that CROI has a new registration and housing system this year. The process of registering requires several steps so please give yourself additional time to complete registration. For more information, visit the Registration and Housing page.
January 2, 2018:

CROI has been alerted that there are misleading and fraudulent web sites and email solicitations offering housing over the CROI conference dates. These sites are not affiliated in any way with the conference and CROI cannot guarantee your housing if you book through these sites. For your own protection, please use the CROI Hotel Reservation System. Hotel reservations must be made during the online registration process, and failure to do so could result in the cancellation of your registration.

What's New

January 17, 2018

The submission period for late-breaking abstracts is now CLOSED. If you are a presenting author, or poster presenter, you will receive an e-mail that includes the final abstract number and session information in the weeks leading up to the conference.

January 10, 2018

The submission period for late-breaking abstracts is closing on January 16, 2018. To submit an abstract, please visit the Abstract Submission Website.

December 1, 2017

Late abstract submission is now open. To submit an abstract, please visit the Abstract Submission Website.