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Coronaviruses are a family of RNA viruses that typically cause mild respiratory disease in humans. A novel coronavirus (COVID-19) was identified in December 2019.

Our experts are closely following and analyzing updates on this outbreak. The following resources will be routinely updated.


COVID-19 Situation Reports

View all of the situation reports.

Read COVID-19 Vaccine Development, Policy, and Public Perception in the US updates.

The Center for Health Security published US Travel Industry and Retail Supply Chain Updates from May 6, 2020 to July 2, 2021 to track major headlines. If you’d like access to the archived content, please contact the Web Administrator.

The COVID-19 Testing Toolkit

The COVID-19 Testing Toolkit provides information about specific tests and testing services to help employers or decision makers develop strategies to fit their testing needs.

View the antigen and molecular-based tests tracker and serology-based tests tracker for COVID-19.


Visit the Johns Hopkins Coronavirus Resource Center where our experts help to advance understanding of the virus, inform the public, and brief policymakers in order to guide a response, improve care, and save lives. 

COVID-19 Personal preparedness infographic (PDF)

CDC COVID-19 Science Updates: Data serve an important role in informing efforts to prevent and reduce public health risks. Every day, many studies are released to help answer critical questions about COVID-19. But given the large number and different types of studies being released, it can be difficult to stay on top of the latest research. The CDC releases summaries every Tuesday and Friday of important studies released.

Johns Hopkins Center for Health Security–NPR–Partners In Health Survey on National Contact Tracing Workforce: The Johns Hopkins Center for Health Security at the Bloomberg School of Public Health and its partners, the National Public Radio (NPR) and Partners In Health, have released data on contact tracers and care resource coordination from their latest joint survey on the state of the national coronavirus contact tracing workforce.


Who to contact:

Media requests

Technical inquiries
Eric Toner, MD
Senior Scholar, Senior Scientist

Statement about nCoV and our pandemic exercise

More Johns Hopkins Resources

Coronavirus Resource Center
COVID-19 Interactive Map
Public Health on Call podcast
Bloomberg School of Public Health Expert Insights

Invest in our work with a gift to the Center for Health Security’s COVID-19 Response Fund. Your philanthropy supports our experts as they respond to the COVID-19 crisis.


Our Mission

To protect people’s health from epidemics and disasters and ensure that communities are resilient to major challenges.