Clare Rock MD MS, Associate Professor of Medicine, Division of Infectious Diseases, Hospital Epidemiologist, Infectious Diseases Physician, and Core Faculty at the Armstrong Institute for Patient Safety and Quality, at Johns Hopkins School of Medicine, Baltimore, Maryland, US. Dr. Rock’s longstanding expertise as a physician-researcher is in healthcare epidemiology and infection prevention-focused on prevention of healthcare-associated infections, reduction of pathogen spread, in healthcare and community settings. Dr. Rock also has expertise in computerized clinical decision support implementation, leveraging the electronic health record to guide healthcare providers toward best diagnostic practices. Dr. Rock has over 50 peer-reviewed published academic manuscripts, multiple media (video and print) experiences including PBS NewsHour, is an elected councilor on the Society of Healthcare Epidemiology of America (SHEA) board of trustees, past Chair of SHEA Research Network, research co-director of the High-Value Practice Academic Alliance. Dr. Rock speaks nationally and internationally on infection-related topics including issues relating to COVID-19 pandemic. Dr. Rock has significant expertise in institutional COVID-19 support, including as Hospital Epidemiology and Infection Control COVID-19 Johns Hopkins Health System Incident Commander. Specific expertise and experience include COVID-19 testing strategies for the workplace, businesses, & community, return to work policies, return to business strategies, outbreak and cluster management, contact tracing, addressing COVID-19 vaccine hesitancy in the workplace, and community. Dr. Rock is leading federally (CDC) funded studies and co-leads a public health-academic partnership including Johns Hopkins School of Medicine and Maryland Department of Health; Statewide Prevention and Reduction Collaborative (SPARC).