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.

Selected Immunology Conferences by Month, 2027

Dates as of November 12, 2026.

January 2027

ConferenceDates and locationEst. attendeesAbstract submission
CCFCrohn's & Colitis Foundation - Crohn's & Colitis Congress January 21–23, 2027 ConfirmedNew Orleans 1,350 Deadline September 23, 2026 PassedSubmission rules at a glance

February 2027

ConferenceDates and locationEst. attendeesAbstract submission
AAAAIAmerican Academy of Allergy, Asthma & Immunology - Annual Meeting February 19–22, 2027 ConfirmedNew Orleans 5,000 Deadline November 2, 2026 PassedLate-breaking November 2, 2026 PassedSubmission rules at a glance

March 2027

ConferenceDates and locationEst. attendeesAbstract submission
ECCOEuropean Crohn's and Colitis Organisation - Congress March 3–6, 2027 ConfirmedCopenhagen, Denmark 8,000 Deadline November 23, 2026 ConfirmedSubmission rules at a glance

April 2027

ConferenceDates and locationEst. attendeesAbstract submission
AAIAmerican Association of Immunologists - Annual Meeting April 30 – May 4, 2027 ConfirmedLos Angeles 3,500 Deadline November 17, 2026 ConfirmedLate-breaking January 27, 2027 ConfirmedSubmission rules at a glance

June 2027

ConferenceDates and locationEst. attendeesAbstract submission
EAACIEuropean Academy of Allergy and Clinical Immunology - Congress June 11–14, 2027 ConfirmedHelsinki, Finland 7,750 Deadline January 11, 2027 EstimatedLate-breaking March 1, 2027 Estimated

September 2027

ConferenceDates and locationEst. attendeesAbstract submission
ASHIAmerican Society for Histocompatibility and Immunogenetics - Annual Meeting September 13–17, 2027 ConfirmedNew Orleans 900 Deadline March 19, 2027 Estimated
ICISInternational Cytokine and Interferon Society - Annual Meeting September 14–17, 2027 ConfirmedSydney, Australia 1,100 Deadline April 27, 2027 EstimatedLate-breaking June 27, 2027 Estimated

October 2027

ConferenceDates and locationEst. attendeesAbstract submission
WACWorld Allergy Organization - World Allergy Congress October 20–23, 2027 ConfirmedFlorianopolis, Brazil 2,500 Deadline April 12, 2027 EstimatedLate-breaking October 4, 2027 EstimatedSubmission rules at a glance

November 2027

ConferenceDates and locationEst. attendeesAbstract submission
ACAAIAmerican College of Allergy, Asthma & Immunology - Annual Scientific Meeting November 11–15, 2027 ConfirmedNashville 2,500 Deadline July 12, 2027 EstimatedLate-breaking October 5, 2027 EstimatedSubmission rules at a glance

December 2027

ConferenceDates and locationEst. attendeesAbstract submission
AIBDAdvances in Inflammatory Bowel Diseases December 7–9, 2027 Estimated 2,500 Deadline September 5, 2027 EstimatedSubmission rules at a glance

Conferences 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 Congress
New Orleans · 1,350 attendees
Conference: Jan 21, 2027 to Jan 23, 2027 (confirmed by the organizer); Abstract deadline: Sep 23, 2026 (confirmed by the organizer); Abstract notification: Nov 10, 2026 (confirmed by the organizer) Jan 21–23
AAAAI Annual Meeting
New Orleans · 5,000 attendees
Conference: Feb 19, 2027 to Feb 22, 2027 (confirmed by the organizer); Abstract deadline: Nov 2, 2026 (confirmed by the organizer); Late-breaking deadline: Nov 2, 2026 (confirmed by the organizer); Abstract notification: Nov 30, 2026 (confirmed by the organizer) Feb 19–22
ECCO Congress
Copenhagen, Denmark · 8,000 attendees
Conference: Mar 3, 2027 to Mar 6, 2027 (confirmed by the organizer); Abstract deadline: Nov 23, 2026 (confirmed by the organizer); Abstract notification: Dec 21, 2026 (confirmed by the organizer) Mar 3–6
AAI Annual Meeting
Los Angeles · 3,500 attendees
Conference: Apr 30, 2027 to May 4, 2027 (confirmed by the organizer); Abstract deadline: Nov 17, 2026 (confirmed by the organizer); Late-breaking deadline: Jan 27, 2027 (confirmed by the organizer); Abstract notification: Jan 20, 2027 (confirmed by the organizer) Apr 30–May 4
EAACI Congress
Helsinki, Finland · 7,750 attendees
Conference: Jun 11, 2027 to Jun 14, 2027 (confirmed by the organizer); Abstract deadline: Jan 11, 2027 (estimated from earlier editions); Late-breaking deadline: Mar 1, 2027 (estimated from earlier editions) Jun 11–14
ASHI Annual Meeting
New Orleans · 900 attendees
Conference: Sep 13, 2027 to Sep 17, 2027 (confirmed by the organizer); Abstract deadline: Mar 19, 2027 (estimated from earlier editions) Sep 13–17
ICIS Annual Meeting
Sydney, Australia · 1,100 attendees
Conference: Sep 14, 2027 to Sep 17, 2027 (confirmed by the organizer); Abstract deadline: Apr 27, 2027 (estimated from earlier editions); Late-breaking deadline: Jun 27, 2027 (estimated from earlier editions) Sep 14–17
WAC World Allergy Congress
Florianopolis, Brazil · 2,500 attendees
Conference: Oct 20, 2027 to Oct 23, 2027 (confirmed by the organizer); Abstract deadline: Apr 12, 2027 (estimated from earlier editions); Late-breaking deadline: Oct 4, 2027 (estimated from earlier editions); Abstract notification: Jun 20, 2027 (estimated from earlier editions) Oct 20–23
ACAAI Annual Scientific Meeting
Nashville · 2,500 attendees
Conference: Nov 11, 2027 to Nov 15, 2027 (confirmed by the organizer); Abstract deadline: Jul 12, 2027 (estimated from earlier editions); Late-breaking deadline: Oct 5, 2027 (estimated from earlier editions) Nov 11–15
AIBD Advances in Inflammatory Bowel Diseases
2,500 attendees
Conference: Dec 7, 2027 to Dec 9, 2027 (estimated from last year's dates); Abstract deadline: Sep 5, 2027 (estimated from earlier editions) Dec 7–9

On a computer, hover over a row to see every date and its status. Select a meeting for its page. Data as of November 12, 2026.

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