The American Association of Immunologists

Welcome to AAI

The American Association of Immunologists (AAI) is one of the world’s largest organizations of immunologists and scientists in related disciplines. Our mission is to improve global health and well-being by advancing immunology and elevating public understanding about the immune system. AAI members are responsible for some of the most significant biomedical discoveries of the past century, including the development of life-saving cancer immunotherapies, antibody therapies, transplant technologies, and vaccines. We support scientists across the field of immunology through knowledge dissemination, community building, advocacy, and public outreach.

AAI 2026 Summer Immunology Courses

Registration for the 2026 AAI Summer Immunology Courses is now open! Whether you are looking for a comprehensive foundation or an in-depth exploration of advanced topics, these courses offer world-class instruction from leading experts in the field.

Read the latest news from AAI and our members

Career Awards

Annual Meeting Travel Grants

Fellowships

Travel for Techniques Awards

Work with AAI

Currently there are no vacancies

Messages to Membership

AAI Launches RESTORE Grants Program

AAI’s RESTORE Grants Program provides up to one year of funding for AAI member-led research projects funded by grants that were unexpectedly frozen or terminated by NIH or other federal government agencies for reasons other than scientific merit.

READ THE FULL STORY

AAI Statement on Proposed NIH Funding Cuts FY2026

AAI is deeply alarmed by the President’s proposal to drastically downsize the National Institutes of Health (NIH) by slashing its approximately $47 billion budget in fiscal year (FY) 2025 to just $28 billion in FY 2026. On behalf of the community of immunologists we represent, AAI is in complete opposition to this proposed cut.

READ THE FULL STORY

Coalition Statement on the Impact and Safety of Vaccines

In response to growing concerns over vaccine misinformation, declining public trust in science, and recent outbreaks of preventable diseases, a coalition of 34 scientific and medical organizations, led by the American Association of Immunologists (AAI) and the American College of Physicians (ACP), issued a unified statement on the impact and safety of vaccines, emphasizing the critical role of vaccinations in public health.

Read the Full Story

Statement on Threat to the Federal Scientific Workforce

In response to the firing of probationary workers across the federal government, AAI issued the following statement urging policymakers to recognize the vital contributions of federal scientists and to take action to ensure that our nation retains the expertise necessary to drive discovery, innovation, and public health advancements.

Read the Full Story

AAI responds to Senate committee approval of Robert F. Kennedy Jr. to be HHS Secretary

AAI has issued a statement reaffirming the global impact of vaccines and the power of the research that underpins their safety and efficacy. AAI is committed to advocating for immunology research and ensuring that the public can access accurate and evidence-based information about vaccines and the science behind them.

Read the Full Story

Message Archive

AAI Publications

Read the latest issue
of The Journal of Immunology

Read the latest issue
of ImmunoHorizons

We improve our products and advertising by using Microsoft Clarity to see how you use our website. By using our site, you agree that we and Microsoft can collect and use this data. Our privacy statement has more details.