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Jiyoung Lee, PhD

Professor of Environmental Health Sciences, The Ohio State University

Professor of Food Science & Technology, The Ohio State University

Director, Ecology, Epidemiology, and Population Health Program in the OSU Infectious Diseases Institute

PhD in Environmental Health Sciences, University of Michigan, USA|| MS in Microbiology, Seoul National University, Seoul, Korea

Dr. Jiyoung Lee directs her Environmental Microbiology and One Health Lab (EMOHL) which has focused primarily on a One Health & One Water  paradigm for solving pathogen, antibiotic resistance, harmful cyanobacteria (blue-green) algae bloom problems. Current foci in her laboratory and field studies relate to research on pathogens and microbe-derived metabolites (cyanotoxins) in environmental matrices that leads to direct human exposures and subsequent linkage to health risks. Her laboratory has a focus on microbial transmission dynamics, emerging exposure pathways, interactions within microbial community and with hosts in multi-temporal and spatial scales. Her interdisciplinary laboratory uses microbial source tracking, metagenomics, epidemiology, and geospatial tools for addressing these major global environmental and public health challenges.

Areas of research expertise include the folllowing:

  • Heath risks from cyanotoxin exposure (liver disease, cancer, neurodegenerative diseases)

  • Impact of environmental exposure on microbiome & resistome

  • Cyanobacteria, cyanophage and toxin ecology

  • Water-food-climate nexus: Ecology of emerging infectious diseases

  • Sustainable intervention of pathogen and antimicrobial resistance spread

  • Wastewater-based epidemiology of COVID-19 and possible application for emerging pathogens

Dr. Lee has led to the development of well over 100 research products in the last decade spanning topics related to a number of One Health topics, including but not limited to: water quality and health in Cameroon and Ethiopia, urban watersheds, agricultural waters, food contamination, antibiotic resistance, and cyanotoxin-related carcinogenesis.


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