The American Association of Immunologists (AAI) is an international scientific society dedicated to furthering the study of immunology. AAI provides its members with a variety of platforms in which to exchange ideas and present the latest immunological research, including the AAI annual meeting and The Journal of Immunology. In 2017, AAI launched an open-access journal, ImmunoHorizons. AAI is a founding member society of the Federation of American Societies for Experimental Biology (FASEB).