In this issue of FX Medicine focusing on immunity, autoimmunity and children’s health, we’re delighted to showcase two world-renowned experts in autoimmunity and speakers at our forthcoming Symposium. Professor Yehuda Shoenfeld details the many factors that contribute to autoimmune conditions describing these as a mosaic that is individual to each affected person. Plus, Dr Amy Myers details five important components of Hashimoto’s drawing upon her personal experience in autoimmunity. In this autumn issue we also spotlight infections and children’s health.