Professor in the Division of Infectious Diseases at Johns Hopkins University, Director of the North American Branch for the International Union Against Sexually Transmitted Infections and member of the Center for Global Health. She is Director of the International STI, Respiratory Diseases, and Biothreat Research Laboratory. She has 40 years laboratory expertise in microbiology, has authored 18 book chapters, 275 research articles, and 460 abstracts/oral presentations. Dr. Gaydos has conducted clinical trials for new diagnostics for STIs and respiratory pathogens and developed multiple DNA amplification tests. Internet recruitment of home-collected samples for STI screening has been an effective out-reach program. Her CLIA-licensed laboratory is the Core Diagnostic/Reference Laboratory for international studies of STIs, respiratory diseases, and trachoma. She is Diagnostic Core Co-investigator for the Mid-Atlantic Center of Excellence for Biothreat and Emerging Diseases and has an NIH Center grant to develop point-of-care tests for STIs.