Clayton Harro, MD, ScM

Dr. Harro directs the Enteric Vaccine Evaluation Unit at the Johns Hopkins University Center for Immunization Research. In this capacity he oversees the clinical development and evaluation of enteric vaccines and challenge models for bacterial and viral pathogens associated with infectious diarrhea such as ETEC, Shigella, Salmonella, Campylobacter, Cholera and Norovirus. Previously, Dr. Harro collaborated with the National Cancer Institute to design and conduct the first ever Phase I/II human papillomavirus (HPV) type 16 vaccine trials in North America, the results of which fueled large-scale clinical development and licensure of preventive cervical cancer vaccines by pharmaceutical partners. He also served as the PI for more than 70 NIH and industry sponsored Phase I/II preventive, S. aureus, HIV, hepatitis B, hepatitis C, and influenza vaccines. In addition, Dr. Harro has keen interests in the principles of clinical trial conduct and operations and their application in developing country settings. Since 2000, he has been a site development and Good Clinical Practice training consultant for a variety of governmental and non-governmental organizations building clinical vaccine trial capacity in developing country settings.