Selected Immunology Conferences, 2027

This is a sample of 10 major immunology conferences out of the 83 worldwide in our database for the 2027 calendar year. It includes the meeting dates, abstract deadlines and submission rules for each one. Every date shows its status: confirmed by the organizer or estimated from earlier editions. Data is checked and updated daily by our team.

Planning calendar

Meetings and abstract deadlines at a glance

Solid marks are confirmed by the organizer; striped and dashed ones are still estimates. Select a meeting for its full page.

Conference
20262027JulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDec
CCF - Crohn's & Colitis Foundation - Crohn's & Colitis Congress
CCF · New Orleans · 1,350 attendees
Conference: Jan 21, 2027 to Jan 23, 2027 (confirmed); Abstract deadline: Sep 23, 2026 (confirmed); Abstract notification: Nov 10, 2026 (confirmed) Jan 21–23
AAAAI - American Academy of Allergy, Asthma & Immunology - Annual Meeting
AAAAI · New Orleans · 5,000 attendees
Conference: Feb 19, 2027 to Feb 22, 2027 (confirmed); Abstract deadline: Nov 2, 2026 (confirmed); Late-breaking deadline: Nov 2, 2026 (confirmed); Abstract notification: Nov 30, 2026 (confirmed) Feb 19–22
ECCO - European Crohn's and Colitis Organisation - Congress
ECCO · Copenhagen, Denmark · 8,000 attendees
Conference: Mar 3, 2027 to Mar 6, 2027 (confirmed); Abstract deadline: Nov 23, 2026 (confirmed); Abstract notification: Dec 21, 2026 (confirmed) Mar 3–6
AAI - American Association of Immunologists - Annual Meeting
AAI · Los Angeles · 3,500 attendees
Conference: Apr 30, 2027 to May 4, 2027 (confirmed); Abstract deadline: Nov 17, 2026 (confirmed); Late-breaking deadline: Jan 27, 2027 (confirmed); Abstract notification: Jan 20, 2027 (confirmed) Apr 30–May 4
EAACI - European Academy of Allergy and Clinical Immunology - Congress
EAACI · Helsinki, Finland · 7,750 attendees
Conference: Jun 11, 2027 to Jun 14, 2027 (confirmed); Abstract deadline: Jan 11, 2027 (estimated); Late-breaking deadline: Mar 1, 2027 (estimated) Jun 11–14
ASHI - American Society for Histocompatibility and Immunogenetics - Annual Meeting
ASHI · New Orleans · 1,100 attendees
Conference: Sep 13, 2027 to Sep 17, 2027 (confirmed); Abstract deadline: Mar 19, 2027 (estimated) Sep 13–17
ICIS - International Cytokine and Interferon Society - Annual Meeting
ICIS · Sydney, Australia · 1,100 attendees
Conference: Sep 14, 2027 to Sep 17, 2027 (confirmed); Abstract deadline: Apr 27, 2027 (estimated); Late-breaking deadline: Jun 27, 2027 (estimated) Sep 14–17
WAC - World Allergy Organization - World Allergy Congress
WAC · Florianopolis, Brazil · 2,500 attendees
Conference: Oct 20, 2027 to Oct 23, 2027 (confirmed); Abstract deadline: Apr 12, 2027 (estimated); Late-breaking deadline: Oct 4, 2027 (estimated); Abstract notification: Jun 20, 2027 (estimated) Oct 20–23
ACAAI - American College of Allergy, Asthma & Immunology - Annual Scientific Meeting
ACAAI · Nashville · 2,500 attendees
Conference: Nov 11, 2027 to Nov 15, 2027 (confirmed); Abstract deadline: Jul 12, 2027 (estimated); Late-breaking deadline: Oct 5, 2027 (estimated) Nov 11–15
AIBD - Advances in Inflammatory Bowel Diseases
AIBD · 2,100 attendees
Conference: Dec 7, 2027 to Dec 9, 2027 (copied); Abstract deadline: Sep 5, 2027 (estimated) Dec 7–9

On a computer, hover over a row to see every date and its status. Data as of October 22, 2026.

All 10 meetings by month

Dates as of October 22, 2026.

January 2027

ConferenceMeeting datesLocationAbstract deadline
CCFCrohn's & Colitis Congress January 21–23, 2027 Confirmed New Orleans September 23, 2026 Confirmed

February 2027

ConferenceMeeting datesLocationAbstract deadline
AAAAIAnnual Meeting February 19–22, 2027 Confirmed New Orleans November 2, 2026 Confirmed

March 2027

ConferenceMeeting datesLocationAbstract deadline
ECCOCongress March 3–6, 2027 Confirmed Copenhagen, Denmark November 23, 2026 Confirmed

April 2027

ConferenceMeeting datesLocationAbstract deadline
AAIAnnual Meeting April 30 – May 4, 2027 Confirmed Los Angeles November 17, 2026 Confirmed

June 2027

ConferenceMeeting datesLocationAbstract deadline
EAACICongress June 11–14, 2027 Confirmed Helsinki, Finland January 11, 2027 Estimated

September 2027

ConferenceMeeting datesLocationAbstract deadline
ASHIAnnual Meeting September 13–17, 2027 Confirmed New Orleans March 19, 2027 Estimated
ICISAnnual Meeting September 14–17, 2027 Confirmed Sydney, Australia April 27, 2027 Estimated

October 2027

ConferenceMeeting datesLocationAbstract deadline
WACWorld Allergy Congress October 20–23, 2027 Confirmed Florianopolis, Brazil April 12, 2027 Estimated

November 2027

ConferenceMeeting datesLocationAbstract deadline
ACAAIAnnual Scientific Meeting November 11–15, 2027 Confirmed Nashville July 12, 2027 Estimated

December 2027

ConferenceMeeting datesLocationAbstract deadline
AIBDAdvances in Inflammatory Bowel Diseases December 7–9, 2027 Not yet announced September 5, 2027 Estimated

Other therapy areas: Oncology · Cardiovascular · Dermatology · Endocrinology & Metabolism · Gastroenterology · Infectious Diseases · Pain & Anesthesia · Psychiatry · Rare & Orphan Diseases · Rheumatology

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