The College of Physicians of Philadelphia launched a preview of The History of Vaccines – www.historyofvaccines.org – described as “a website that chronicles the history of immunization, from pre-Jennerian variolation, to the defeat of polio in the Western Hemisphere, to cutting-edge approaches to novel vaccines. The site highlights the historical contributions of vaccines to human health and explains the role of immunization in healthcare through a set of media-rich timelines, activities, and articles.” The site officially launches on 3 November 2010, when Stanley A. Plotkin, MD, creator of the rubella vaccine used throughout most of the world, will give the Samuel X Radbill lecture entitled “Four Centuries of Vaccinology.” Dr. Plotkin will trace the serendipitous beginnings of vaccinology in the 1700s to its flowering in the latter half of the 20th century. Dr. Plotkin is Emeritus Professor of the University of Pennsylvania and The Wistar Institute. www.historyofvaccines.org.