Institution: | From the ‡Institute of Infection and Immunity, Cardiff University School of Medicine, Henry Wellcome Building, Heath Park, Cardiff CF14 4XN, Wales, United Kingdom, ;the §Australian Centre for Vaccine Development, Human Immunity Laboratory, Queensland Institute of Medical Research, Brisbane 4029, Australia, and ;the ¶Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556 |