CROI News

Registration and housing information will be sent the week of November 25, 2024. We appreciate your patience while we work to ensure the best possible experience when registering and selecting your accommodation for CROI 2025.

Community Educator and Mentor Scholarship dispositions were sent on November 21, 2024. If you have not received the email, please check your spam and junk folder. Contact CROIscholarships@iasusa.org with any questions or concerns.

General abstract and scholarship dispositions were sent on November 15, 2024. In addition, presenting authors received a separate email with presentation details. If you have not received the email, please check your spam and junk folder. Contact CROIabstracts@iasusa.org with any questions or concerns. Registration information will be sent the week of November 25, 2024.

The following email may have been sent to you in error. This email was intended to go to submitting abstract authors whose abstract is in draft form, but instead was sent to all authors and coauthors. If you are not the submitting author of an abstract that is still in draft form, please disregard the…

General abstract submission is now open for CROI 2025. The deadline for submission is October 1, 2024. For details on how to register for the conference, submit an abstract, and apply for a scholarship, go to Abstract Guidelines and Submission.

The CROI 2025 Abstracts Categories Are Now Available. Click here for more information.

On-demand webcasts of selected presentations will be available on April 8, 2024.

The updated Abstract eBook (Version 3) is now available. Please make sure to refresh your browser to get the latest version.

All registered attendees received an email on Thursday, March 7, with instructions on how to claim CME credits, ABIM MOC points, or a certificate of participation. These instructions are also available on the CME page.

CROI 2025 will be held in San Francisco, California, at the Moscone Convention Center, from March 9 to 12. For more information, visit the CROIconference.org

Thank you for attending CROI 2024. We look forward to your comments and suggestions through the Daily Evaluations. Your feedback is important to us and will help us plan an even better conference in the future. If you start the evaluation but are not able to complete it in “one sitting,” your progress will be…

CROI attendees are now able to log into multiple devices using the mobile and desktop versions of the conference app. Reinstalling the Conference Mobile App may be needed. Please note that access to the app is restricted to registered conference attendees only. The sharing of credentials is a violation of CROI policy.

The updated Program Guide (Version 3) is now available. Please make sure to refresh your browser to get the latest version.

Dear Virtual Attendess: We look forward to your virtual participation at CROI 2024, where more than 1000 summaries of original research will be presented and discussed, along with state-of-art reviews in the opening session, plenaries, workshops, and interactive symposia. This email contains important details about accessing the conference presentations, live and on demand, via the…

CROI 2024 in-person attendees received information last night regarding the conference and access to CROI 2024 Resources. Registered attendees can now access the CROI Resources using their email address and registration confirmation number. Contact us if you need assistance accessing CROI Resources and Conference App To access your IAS–USA/CROI account, email CROIregistration@iasusa.org To link your…

Upload of electronic posters (ePosters) for CROI 2024 is open. Visit the Poster Presentation Guidelines – CROIconference.org for instructions on uploading your ePoster as a PDF file and a link to the upload site. The deadline to upload is February 29, 2024, at 8:00 AM PT. Uploading an electronic version of the poster is required for presenting authors. Please…

If you have not registered, as a reminder, the in-person registration will close to all applicants and registrants on Thursday, February 22, 2024, at 6:00 PM PT, or earlier if the registration limit of 4000 is reached. There is no on-site registration. Click Here to Apply to Register for the Conference

You can now download the optional slide template here. The template is suggested but optional for content slides. The title slide with the presenter’s financial disclosures will be provided when the final slides are uploaded at CROI in the Speaker Ready Room 24 hours before the session. Presenters do not need to create their title slide.

CROI 2023 application and registration is open. For more information, visit the Registration page.

Dispositions for abstracts and scholarship applications submitted for review during the general round have been sent. Presenting authors on accepted abstracts received a second notification with the presentation details including the type of presentation (oral, poster, or poster plus themed discussion), date, and time of the presentation. During the general round, 81 oral presentations and…

CROI 2024 has a new opportunity for seasoned Community Educator Scholars. The Community Educator Mentor Scholarship is available for individuals who have received three (3) or more Community Educator Scholarships and are interested in mentoring new Community Educator Scholarship recipients. Community Educator Mentor Scholarship applicants will be assessed based on their experiences with mentoring colleagues…

We are now accepting CROI Affiliated and Proximate Activity applications. To access the guidelines and the application form, click here.

The updated CROI 2024 Preliminary Program includes the named lecturers and plenary speakers for the 31st Conference on Retroviruses and Opportunistic Infections (CROI), which will be held March 3 to 6, 2024. Please refresh the page to display the most recent version.

CROI 2024: The submission deadline for general abstracts on HIV, hepatitis viruses, SARS-CoV-2, and mpox and their related conditions is September 27, 2023. Submission opens in late August. Visit CROI 2024 Dates and Deadlines for other important deadlines for CROI 2024.

Stay tuned for details on the website.

The 31st Conference on Retroviruses and Opportunistic Infections will be March 3 through 6, 2024, in Denver, Colorado, USA.

The updated version of the CROI 2023 Program Guide (Version 7) was posted on March 13 at 11:30 AM PT. The CROI 2023 Program Guide is available on CROI 2023 Resources page. Please refresh the page to ensure that you view the latest version.

The on-demand recordings of the Opening Session are now available. Watch It Here

We look forward to having you join us for the CROI 2023. An email regarding preparation for attendance was sent out through CROIregistration@iasusa.org on Friday, February 10, 2022, at approximately 8:00 PM PT. The email includes information regarding conference dates and times, access to the Conference Platform, and any sessions you have registered for. If…

In order to maintain the scientific integrity of the conference, promotional signage or banners of any kind are not allowed at hotels, within the convention center, or at city airports during CROI. This includes all forms of out-of-home advertising, such as billboards, transit shelter posters, and digital banners. Furthermore, distribution of any promotional material, including…

Poster session assignment will be sent by email to the presenting author on January 19, 2023.

Oral abstract sessions are from 10:00 AM to 12:00 PM PT, on February 20, 21, and 22. Session assignments for late-breaking HIV as well as all SARS-CoV-2 and mpox oral presentations were sent yesterday, January 17. Please see CROI 2023 Program (croiconference.org) for dates and times of sessions.

The submission period for late-breaking abstracts on all SARS-CoV-2 and monkeypox viruses plus late-breaking abstracts on late-breaking HIV and hepatitis viruses is now CLOSED. Dispositions will be sent out by email on or around January 16, 2023. Visit the Important Dates page for information about other important milestones for CROI 2023. .

Notifications are being delayed by a few days as we contract additional hotel rooms for the group.

CROI 2023 application and registration is open. For more information, visit the Registration page.

Dear Colleagues, I write to you as chair of Clinical Sciences for the Conference on Retroviruses and Opportunistic Infections (CROI). This year’s conference, held from February 19 to 22, 2023, will be our first in-person CROI since 2019. We have missed seeing each other, discussing new ideas and projects, and fostering the research community, particularly…

CROI is dedicated to supporting and mentoring new investigators through the CROI New Investigator Scholarship program. New Investigator Scholarship recipients can participate in a number of activities and networking opportunities in-person at CROI 2023.    Scott M. Hammer Workshop for New Investigators and Trainees  Widely considered the most informative and comprehensive session at CROI, this…

Registration is now open for the accepted abstract authors, collaborators, and scholarship recipients. General application and registration is planned to open next week.

Invitation From James A. Hoxie, MD (Chair, CROI 2023) My CROI 2023 co-chairs, Diane Havlir, Landon Myer, and I extend a warm and enthusiastic invitation for you to attend the Conference on Retroviruses and Opportunistic Infections (CROI) in Seattle, Washington on February 19 to 22, 2023. This will be the first in-person CROI since 2019…

We are now accepting CROI Affiliated and Proximate Activity applications. To access the guidelines and the application form, click here. Please note that hotel assignments for approved CROI Affiliated and Proximate Activities will be determined in mid-November. Applications may be submitted now for early review.

A message was sent to on November 2, 2022, to authors on abstracts related to SARS-CoV-2/COVID-19 or monkeypox virus, reconfirming that their abstracts will be reviewed after the January 5, 2023, submission deadline (submission reopens December 1, 2022). These abstracts have not been reviewed and the notice was not a comment on whether the abstracts…

Abstract submission reopens on December 1, 2022, for abstracts on all SARS-CoV-2 and monkeypox virus plus late-breaking abstracts on HIV, hepatitis viruses, and related conditions. The deadline for these submissions is January 5, 2023. Abstract submitters who initiated or submitted an abstract on SARS-CoV-2 and monkeypox virus during the general abstract round (September 20, 2022,…

We remind you of the September 20, 2022, submission deadline for abstracts and scholarship applications for the 30th Conference on Retroviruses and Opportunistic Infections (CROI 2023), which will be at the new Summit Convention Center in Seattle, Washington. The submission deadline for general abstracts on HIV and hepatitis viruses and their related conditions is September 20, 2022…

The Scientific Program Committee is pleased to announce the plenary speakers for the 30th Conference on Retroviruses and Opportunistic Infections (CROI), February 19 to 22, 2023. Plenary Speakers on Monday, February 20, 2023  20 Years of PEPFAR: Looking Back, Striding Forward John Nkengasong, US Department of State, Washington, DC, USA The Path to Hepatitis B Cure…

General abstract and scholarship submissions for the 30th Conference on Retroviruses and Opportunistic Infections (CROI) are now being accepted. The deadline to submit a general abstract and scholarship application is Tuesday, September 20, 2022, at 5:00 PM Pacific Time. Visit the Abstract Guidelines and Submission and Scholarships webpages for more information.

We are excited to be one of the first conferences to be held in the newly constructed Summit Convention Center in Seattle, Washington. As always, the best and most consequential original research will define the science at CROI, including research in HIV, hepatitis viruses, SARS-CoV-2, and other viral infections and their related conditions. Research that has…

Full and free access to all CROI 2022 on-demand session recordings are now available. CME for viewing the on-demand webcasts is only available to all registered CROI 2022 attendees. The deadline to claim CME credits, ABIM MOC points, or certificate of participation is March 25. View Webcasts

Thank you for attending the 2022 Conference on Retroviruses and Opportunistic Infections! We hope you enjoyed this year’s rich scientific program of new research findings, state-of-the-art plenary talks, lively interactive sessions, and comprehensive symposia presented in the span of 2 weeks. The process for providing feedback on the conference as well as claiming CME credits,…

We hope you enjoyed the stimulating symposia presentations over the past 2 days. Week 2 of CROI wraps up with another round of fantastic symposia in tomorrow’s sessions. See the schedule below:

We hope you enjoyed today’s live symposia. We have another full slate of exciting presentations to look forward to in tomorrow’s live sessions. See schedule below:

Instructions on how to claim CME credits, ABIM MOC points, or a certificate of participation will be emailed following the conclusion of the live symposia sessions on Thursday, February 24. Please note: you can only complete the claiming process once. Once you view the live or on-demand sessions you want to claim credits for, you…

Abstracts presented at CROI 2022 are now available for public access through the CROI Abstract Searchable Database and the updated Program Guide (version 4) and Abstract eBook (version 4) released on February 18. For more information, visit the CROI Resources page.

The $200 refund for those who registered for in-person participation before the conference went fully virtual will be processed starting next week.

Thank you to everyone for taking part in week 1 of CROI 2022. We hope you enjoyed the great science presented and discussed over the past few days. BUT it’s not over yet – get ready for some CROI dessert. Below is the schedule for the consecutive live symposia sessions next week. See you then!…

To access the poster sessions by day, click on Poster Sessions under the Scientific Program tab in the Platform.

The updated version of the CROI 2022 Program Guide (Version 3) was posted on February 14 at 5:00 PM MT. The Program Guide can be accessed through the “Program and Abstract eBook” link on the Resources tab. Once you click the link, please refresh the page to ensure you have the latest materials.

The on-demand webcast of the Sunday workshop, the FRONTIERS IN LABORATORY TECHNOLOGIES, will be available on the Platform on Tuesday, February 15. If you are unable to see it, please refresh your browser.

The CROI 2022 Abstract eBook is now available to registered attendees through the conference platform. Access through the “Program and Abstract eBook” link on the Resources tab. Once you click the link, please refresh the page to ensure you have the latest materials.

Welcome to CROI 2022! We are opening the conference with the Scott M. Hammer Workshop for New Investigators and Trainees this morning. We hope that you will be able to join and log on to hear the outstanding plenaries, oral abstract and interactive sessions, and symposia scheduled in the next few days.

The CROI 2022 Platform is now available to all registered attendees. We encourage you to login and explore the exciting features that are available and ensure you have access to CROI 2022 when the conference begins on February 12, 2022. The login credentials for accessing the Platform are your email address used to register for…

The final CROI 2022 Program Guide is now available on CROI 2022 Resources page. Please refresh the page to ensure that you view the latest version. Registered attendees of the CROI 2022 will have full access to the Abstract eBook that will be released on Saturday, March 12, 2022, at 3:00 PM MT, which will…

The printable CROI 2022 Schedule at a Glance is now available to download.

The deadline to submit oral abstract prerecorded video presentations has been extended to Thursday, February 3, 2022. For more information, visit https://www.croiconference.org/oral-abstract-presenters/.

For your convenience, use the Mark Your Calendar link to mark all the live session times of the conference on your calendar to help avoid scheduling conflicts.

The impact on the health care system and health care practitioners taking care of the surge of COVID-19 patients, particularly with Omicron variant, the CROI leadership has come to the difficult decision that the CROI 2022 meeting will be fully virtual. The decision is multifactorial, but our foremost priority is to ensure the health and…

An announcement will be released early next week about the practicality of an in-person component of CROI 2022. Please continue to check the CROI website for updates.

Thank you to those who have completed the survey about the practicality of an in-person component of CROI 2022. We continue to collect responses, and expect to make a decision by end of this week. Please continue to check the CROI website for updates.

The submission period for late-breaker abstracts and scholarships is now CLOSED. Dispositions will be sent out by email on or around January 14, 2022. Visit the Important Dates page for information about other important milestones for CROI 2022.

Log in or create an account on the CROI Abstract and Scholarship Submission System to submit a Community Scholarship for virtual attendance at CROI 2022. Given the unique moment we are in with CROI 2022 being a hybrid conference that will include in-person and virtual participation, we are reopening Community Scholarship application submissions from Monday,…

The CROI 2022 Registration and Application submission system will be unavailable on Saturday, December 18 between 12:00 AM to 6:00 AM Eastern Time for maintenance. Please complete your registration or application submission before or after that time. Thank you for your understanding.

CROI General Abstract and Scholarship dispositions have been sent by email on December 10, 2021. If you have not received a disposition for your submission, please make sure to check your spam folder and contact the submitting author of your abstract. Most answers to frequently asked questions are available on our FAQ page. If you still have…

The registration and application process to attend the hybrid CROI 2022 is now open! To start your registration or application, visit https://www.croiconference.org/attendees/ and follow the “Apply or Register” button. To ensure that you are eligible to attended CROI, you may review the Attendee Criteria page. Most answers to the frequently asked questions are available on…

We are now accepting Affiliated and Proximate Activity applications. Please click here to access the webpage for additional information and instructions on how to submit an application.

The deadline for general abstract and scholarship submissions to the hybrid 2022 Conference on Retroviruses and Opportunistic Infections (CROI) has now passed. Dispositions will be sent by email on December 10, 2021. Late-breaking abstract submission opens December 13, with a deadline of January 5, 2022. Studies that include data analyzed after general abstract submission and…

General abstract and scholarship submissions for the 29th Conference on Retroviruses and Opportunistic Infections (CROI) are now being accepted. The deadline to submit a general abstract and scholarship application November 1, 2021, at 5:00 PM Pacific Time. Visit the Abstract Guidelines and Submission and Scholarships webpages for more information.

The 29th Conference on Retroviruses and Opportunistic Infections (CROI) will be held from February 12 to 16, 2022, and will include research on SARS-CoV-2. As always, the best and most consequential original research will define the science at CROI 2022, including research in HIV, hepatitis viruses, SARS-CoV-2, and other viral infections and their related conditions.  CROI Going Hybrid in 2022: CROI is currently planned…

The April/May, 2021 issue of Topics in Antiviral Medicine™ (TAM) is the first of 2 issues that highlight the cutting-edge scientific advances that were presented at the virtual 2021 Conference on Retroviruses and Opportunistic Infections (CRO 2021). In this issue, new data on HIV prevention as well as epidemiologic trends and neurologic, metabolic, and opportunistic complications in…

In response to community requests, and in a desire to make the full scientific information and discourse from virtual CROI 2021 available as broadly as possible, full and free access to all virtual CROI 2021 session recordings is available via the CROI website. The original plan to restrict access to some virtual CROI materials for…

The deadline to claim CME credits, ABIM MOC points, or a certificate of participation is Wednesday, May 12. CME for viewing the on-demand webcasts is only available to all registered virtual CROI 2021 attendees.

An early e-publication article summarizing key data on new research in complications related to HIV, SARS-CoV-2, and other viral infections and their related conditions is now available from the peer-reviewed IAS-USA journal Topics in Antiviral Medicine™. This data were presented at the virtual 2021 Conference on Retroviruses and Opportunistic Infections (vCROI 2021) held March 6…

An early e-publication article summarizing key data on new research in epidemiology and prevention in HIV, SARS-CoV-2, and other viral infections and their related conditions is now available from the peer-reviewed IAS-USA journal Topics in Antiviral Medicine™. This data were presented at the virtual 2021 Conference on Retroviruses and Opportunistic Infections (vCROI 2021) held March…

CME for viewing the on-demand webcasts is only available to all registered virtual CROI 2021 attendees. The deadline to claim CME credits, ABIM MOC points, or certificate of participation is May 12. To view the webcasts, visit the click here.

An early e-publication article summarizing key data on new research in HIV, tuberculosis, SARS-CoV-2, and other viral infections and their related conditions presented at the virtual 2021 Conference on Retroviruses and Opportunistic Infections (vCROI 2021) is now available from the peer-reviewed IAS-USA journal Topics in Antiviral Medicine™. Virtual CROI 2021 was held March 6 to…

Abstracts from CROI 2021 are published in Topics in Antiviral Medicine, Volume 29 Issue 1. To view the issue, including information on how to cite CROI abstracts, click here.

In response to community requests, and in a desire to make the full scientific information and discourse from Virtual CROI 2021 available as quickly and broadly as possible, full and free access to all virtual CROI 2021 session recordings will be provided via the CROI website on April 15, 2021. The conference abstracts and the…

The Abstract eBoook and Program and Information Guide from vCROI 2021 are now available for public access. For more information, visit the Resources For vCROI 2021 page.

With the rest of the scientific community, we honor the lives and legacies of the colleagues we lost over the last year. Watch Now

Watch the Virtual Navigation Guide to explore the content and features of the vCROI 2021 Platform.

Program and Information Guide with abstract titles will be available on the Platform on Monday, March 1.

The late-breaker abstracts and scholarships dispositions were emailed on Tuesday, February 16, 2021. Visit the Important Dates page for information about other important milestones for vCROI 2021.

The submission period for late-breaker abstracts and scholarships is now CLOSED. Dispositions will be sent out by email on or around February 16, 2021. Visit the Important Dates page for information about other important milestones for vCROI 2021

We grieve with countless others the loss of Dr John G. Bartlett, who passed away on Jan. 19, at 83 years old. A terrible loss of a giant from the start of the HIV epidemic and a wonderful leader…just one of many lately. Too many. Bio: https://bit.ly/3c0Ng91

CROI General Abstract and Scholarship dispositions have been sent by email on January 15, 2021, between 8:30 AM PT to 5:30 PM PT. If you have not received a disposition for your submission, please make sure to check your spam folder and contact the submitting author of your abstract. Most questions Most answers to frequently…

The registration and application process to attend virtual CROI 2021 is now open! To start your registration or application, visit https://www.croiconference.org/attendees/ and follow the “Apply or Register” button. To ensure that you are eligible to attended CROI, you may review the Attendee Criteria page. Most answers to frequently asked questions are available on our FAQ…

If you have an IAS-USA account, please access it here and verify that your information is up to date. If you do not have an IAS-USA account, please create one. Your IAS-USA account will be linked to your CROI registration. Registration fees and details are posted under the Registration tab on the CROI website.

Abstract submissions and scholarship applications for the 28th Conference on Retroviruses and Opportunistic Infections (CROI) are now being accepted. The deadline for both is December 1, 2020. Late-breaker abstract submissions are due by February 4, 2021. In addition to research abstracts on HIV and related infections, CROI 2021 is accepting abstract submissions on SARS-CoV-2 and…

The deadline for submitting general abstracts for the 2021 Conference on Retroviruses and Opportunistic Infections (CROI) will be December 1, 2020. In general, the abstract submission deadline for CROI has been in late September. Due to the impact of the COVID-19 pandemic, the deadline has been extended. CROI 2021 will be March 6-10, 2021. Visit…

The 2021 Conference on Retroviruses and Opportunistic Infections (CROI) will also include research on SARS-CoV-2. General abstract submission will open the week of October 19, 2020 with a deadline of December 1, 2020. CROI 2021 will be March 6-10, 2021. Visit the Preliminary Schedule page for an outline of the general structure of the conference.

As the COVID-19 epidemic continues to evolve, the CROI Program Committee is discussing innovative ways to provide this forum for…