Faculty Expert Profile

Jennifer Nuzzo

  • Senior scholar at the Johns Hopkins Center for Health Security
  • Associate professor in the Department of Environmental Health and Engineering and the Department of Epidemiology


  • Bloomberg School of Public Health
  • Center for Health Security

Jennifer Nuzzo has been widely quoted by national media for her expertise related to the implications of the coronavirus COVID-19, including the nation's testing ability. She is a senior scholar at the Center for Health Security and a professor in the departments of epidemiology and of environmental health and engineering.

An epidemiologist by training, her work focuses on global health security, with a focus on “outbreak detection” and response, international and domestic biosurveillance, and infectious disease diagnostics. She directs the Outbreak Observatory that conducts research with frontline public health workers to improve outbreak preparedness and response. Together with colleagues from the Nuclear Threat Initiative and the Economist Intelligence Unit, she co-leads the development of the first-ever Global Health Security Index, which benchmarks 195 countries’ public health and healthcare capacities and capabilities, their commitment to international norms, and global health security financing. In addition, the index examines the socioeconomic, political and environmental risk environments in those nations.

Previously she conducted research related to the Affordable Care Act, water security, foodborne outbreaks, and tuberculosis control.

Nuzzo is associate editor of the journal Health Security. She was a consultant to the National Biosurveillance Advisory Subcommittee and a member of the Environmental Protection Agency’s National Drinking Water Advisory Council.

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