Chia-Feng Chang is Associate Professor in the History Department, National Taiwan University. She received a Ph.D. from the School of Oriental and African Studies, University of London in the history of medicine, and a M.A. from the Tsing-Hua University in the history of astronomy. She works on the social and cultural history of Chinese medicine. Her more recent research has focused on the history of body, gender, and transmission of medical knowledge and practice. She is currently working on changing ideas of child’s bodies in medieval China, and smallpox variolation and vaccination in the nineteenth century.