The HealthGrid conference is the premier conference on the transformation of biomedical research, education and medical care through the application of Grid technologies. HealthGrid is dedicated to:Enhancing biomedical research and healthcare deliveryCreating an open collaborative virtual communityCommunicating the collective knowledge of the HealthGrid community.HealthGrid is an interdisciplinary community of computer scientists, physicians, medical educators and students, epidemiologists, bioinformatics and medical informatics experts, military medicine specialists, security and policy makers, economists and futurists. The conference program will include a number of high-profile keynote presentations, complemented by a set of refereed papers, which will be selected through the present call for papers.