Contact Tracing

Resources and Expert Guidance for Tracing the COVID-19 Pandemic


Contact tracing is a critically important tool in pandemic response. Public health officials have long used this tactic to break the chain of transmission of infectious diseases and limit the spread of infections. The COVID-19 pandemic poses unprecedented challenges and will require new approaches to this long-standing public health strategy. Experts at Johns Hopkins University are offering free guidance and resources for successfully implementing both traditional and digital contact tracing, as well as tracking data on the adoption of these efforts in the U.S. and throughout the world.

COVID-19 Contact Tracing:
A course from Johns Hopkins

The COVID-19 crisis has created an unprecedented need for contact tracing across the country, requiring thousands of people to learn key skills quickly. A free, six-hour Coursera class developed by the Johns Hopkins Bloomberg School of Public Health and supported by Bloomberg Philanthropies is now available to train contact tracers about how to do this work effectively—and help cities and states across the nation undertake these critical efforts.

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Digital Contact Tracing for Pandemic Response

As officials in many countries strive to find a balance between respecting civil liberties and controlling the COVID-19 pandemic, a new report – led by the Berman Institute for Bioethics in collaboration with the Center for Health Security at Johns Hopkins, as well as leading experts worldwide – highlights the ethical, legal, policy and governance issues that must be addressed as digital contact tracing technologies are developed and implemented.

  • Public engagement icon Transparency and public engagement are essential to an inclusive digital public health response
  • Privacy icon Digital public health responses must represent the least infringement of civil liberties necessary to accomplish public health goals
  • Mobile phone icon Use of digital public health technologies and data must be guided by the best available evidence
  • Legislation icon Responsible use of digital public health technology requires meaningful governance and accountability
  • Group icon Pandemic responses must be rooted in a commitment to equity