There is a lot going on with vaccines right now and it can sometimes be difficult to stay abreast of the most current information. In this interview, immunologist and Natural Medicine Journal Editorial Board Member Heather Zwickey, PhD, answers questions about antibody dependence enhancement, vaccines and mammograms, how the Johnson & Jonson vaccine is different, herd immunity, and more. Approximate listening time: 18 minutes About the Expert Heather Zwickey, PhD, is a professor of immunology and chair of the Department of Health Sciences at the National University of Natural Medicine in Portland, Oregon. She launched the Helfgott Research Institute, which advances the science of natural medicine. Zwickey founded the school of graduate studies and developed masters programs in research, nutrition, and global health. Zwickey has received the Champion of Naturopathic Medicine Award from the American Association of Naturopathic Physicians. She currently leads a National Institutes of Health–funded clinical research training program focused on integrative medicine research and studies the gut-brain axis in neuroinflammation.