The AACR Immuno-Oncology Conference (AACR IO) is being held in Los Angeles from 18 to 23 February 2026. With the theme 'Discovery and Innovation in Cancer Immunology: Revolutionizing Treatment through Immunotherapy', AACR IO will cover translational and clinical research in immunology, inflammation, and immunotherapies for cancer.

The AACR (American Association for Cancer Research) Annual Meeting, being held in San Diego, is the focal point of the cancer research community, where scientists, clinicians, other health care professionals, survivors, patients, and advocates gather to share the latest advances in cancer science and medicine.