Collegium Internationale Allergologicum
The Collegium Internationale Allergologicum (CIA) is a prestigious international organization dedicated to the advancement of research, education, and collaboration in the field of allergy and immunology. Founded in 1954, the CIA brings together leading experts, researchers, and clinicians from around the world to exchange knowledge, promote best practices, and foster innovation in the diagnosis, treatment, and understanding of allergic and immunologic diseases. Through its meetings, publications, and initiatives, the CIA plays a vital role in shaping the future of allergic and immunologic disease research, aiming to improve the lives of patients worldwide.
Message from the President
Welcome to the Collegium Internationale Allergologicum (CIA)
From its inception in 1954, the CIA was envisioned as a society that would promote and celebrate excellence in basic science and clinical investigation in allergy and related fields.
35th Biennial Symposium of the Collegium Internationale Allergologicum
You're Invited to Attend!
The next Biennial Symposium will showcase the latest research from both members and non-members, and will include prestigious invited lectures by leading experts in the field.
New Member Spotlight
Hideaki Morita, MD, PhD
Dr. Morita, an immunology researcher at the National Research Institute for Child Health and Development in Japan, is internationally recognized for uncovering monogenic variants in key type-2 immune pathways and defining IL-33–driven environmental triggers of allergic inflammation, advancing mechanistic insights that are shaping the future of diagnostics and targeted therapies for severe allergic and immunologic diseases.
The Collegium Internationale Allergologicum gratefully acknowledges the following companies for their support and membership on the CIA Corporate Advisory Council.
Platinum Member
Gold Members
Silver Member
