Eleanor Peters Bergquist has worked with international health organizations, including the Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO), addressing critical issues such as infectious disease outbreaks, health education, and policy implementation. Her expertise spans diverse areas of global health, including epidemiology, behavioral science, and medical anthropology. She is particularly interested in creating effective public health interventions and improving health outcomes on a large scale. 

Peters Bergquist's research concentrations include the intersections of infectious disease management, health behavior, and epidemiology, with a particular focus on parasitic diseases and their impact on vulnerable populations. Her research addresses the social determinants of health, examining how cultural, economic, and environmental factors influence health outcomes. Her publications frequently highlight the importance of community-based interventions and culturally sensitive health education programs in mitigating the spread of disease with an emphasis on infectious disease. Additionally, Peters Bergquist enjoys contributing to the development of innovative public health strategies and policies, aiming to enhance health systems' resilience and capacities to respond to epidemics and improve access to healthcare in resource-limited settings.