AAI Annual Meeting 2027
American Association of Immunologists
- Dates
- April 30 – May 4, 2027 Confirmed
- Location
- Los Angeles, United States
- Expected attendance
- About 3,500
- Therapy area
- Immunology
About the meeting
Join us April 30 to May 4 in Los Angeles for the leading annual all-immunology event worldwide!
Description from the official AAI website. Abstracts are published in Journal of Immunology.
Key dates for AAI 2027
| Milestone | Date | Status |
|---|---|---|
| Abstract submission opens | October 6, 2026 | Confirmed |
| Abstract submission deadline | November 17, 2026 | Confirmed |
| Late-breaking abstract deadline | January 27, 2027 | Confirmed |
| Abstract notification | January 20, 2027 | Confirmed |
| Meeting | April 30 – May 4, 2027 | Confirmed |
Planning ahead: AAI's abstract deadline usually falls about 6 months before the meeting. For the 2026 meeting it was October 22, 2025 (175 days ahead).
AAI 2027
- Length
- Title up to 200 characters; body up to 2,000 characters including spaces and punctuation. 2027
- Tables and figures
- No tables or figures allowed. 2027
- Fee
- Regular period: free for AAI members, $145 for nonmembers. Late-breaking: $115 members, $180 nonmembers. Non-refundable. 2027
- Who can submit
- Members and nonmembers with an AAI account; submitter is first and presenting author. No limit on abstracts if each reports distinct research. 2027
- Membership required
- No 2027
- Previously presented work
- Authors are not permitted to submit an abstract on work that has been published previously. 2027
Summarized from AAI's guidelines, checked October 22, 2026. The official guidelines always take precedence.
Common questions
When is the AAI 2027 abstract deadline?
The abstract submission deadline is November 17, 2026 (confirmed), and late-breaking abstracts are due January 27, 2027 (confirmed).
When and where is AAI 2027?
AAI 2027 takes place April 30 – May 4, 2027 in Los Angeles, United States. The dates are confirmed.
How many people attend AAI?
About 3,500 people are expected at AAI 2027.
Past editions
| Year | Meeting dates | City | Abstract deadline |
|---|---|---|---|
| 2026 | April 15–19, 2026 | Boston | October 22, 2025 |
| 2025 | May 3–7, 2025 | Honolulu, HI | Not recorded |
| 2024 | May 3–7, 2024 | Chicago, IL | Not recorded |
| 2023 | May 11–15, 2023 | Washington, DC | Not recorded |
Last updated October 22, 2026. Source: Orbytel Group conference database. Dates marked estimated or not yet announced are our projections, not the organizer's.