The majority of vaccines in the UK programme are administered by injection. The Systemic Allergic Reactions to SARS-CoV-2 Vaccination trial is co-chaired by N. Franklin Adkinson, Jr., M.D.; James R. Baker, Jr., M.D.; and Rebecca S. Gruchalla, M.D., Ph.D. Dr. Adkinson is a professor of medicine and director of the graduate coaching program in medical investigation at the Johns Hopkins Asthma & Allergy Center in Baltimore. Dr. Baker is director of the Mary H. Weiser Food Allergy Center and is the Ruth Dow Doan Professor of Biologic Nanotechnology at Michigan Medicine in Ann Arbor. Dr. Gruchalla is a professor of inner drugs and pediatrics and chief of the divisions of allergy and immunology in the departments of internal medication and pediatrics on the University of Texas Southwestern Medical Center, Dallas. The Phase 2 trial, referred to as Systemic Allergic Reactions to SARS-CoV-2 Vaccination, is sponsored and funded by NIAID.