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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 Wuhan, China in December 2019.

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

Situation Reports

Updates on the emerging novel coronavirus from the Johns Hopkins Center for Health Security.

View all of the situation reports.

Fact Sheets

Coronaviruses Fact Sheet (PDF)
Coronaviruses (CoV) are a family of RNA viruses that typically cause mild respiratory disease in humans. A novel coronavirus was identified in Wuhan, China, in December 2019.

US Travel Screening (PDF), as of January 22, 2020
The US Centers for Disease Control and Prevention (CDC) and the Department of Homeland Security’s Customs and Border Protection (DHS/CBP) agency are implementing returning traveler screening for all travelers on direct or connecting flights from Wuhan, China.

COVID-19 Genetics (PDF)
A summary of findings from the latest phylogenetic research on COVID-19.

Financing for epidemic response activities (PDF)
There are several major sources of money that could be used to support outbreak response activities.

WHO’s Role During Health Emergencies (PDF)
As the health lead for the United Nations, the World Health Organization (WHO) has the primary responsibility to respond to natural disasters and disease outbreaks.

Diagnostic Testing for COVID-19 (PDF)
Diagnostic testing for the novel coronavirus COVID-19 is undertaken using 2 approaches: whole genome sequencing and real-time reverse transcriptase PCR (rRT-PCR).

Blame and Discrimination Attached to COVID-19—An FAQ for US Elected Leaders and Health Officials (PDF)
When fear of disease and fear of others collide

Ventilator Stockpiling and Availability in the US (PDF)
Mechanical ventilation is a vital component of critical services for patients exhibiting severe acute respiratory failure.

Serology testing for COVID-19 (PDF)
Serology tests are blood-based tests that can be used to identify whether people have been exposed to a particular pathogen.

Experts in the Media

The Atlantic
How the Pandemic Will End, feat. Monica Schoch-Spana, PhD

CBS News
5 things to know about the COVID-19 outbreak from Dr. Tom Inglesby, feat. Tom Inglesby, MD

These charts show how fast coronavirus cases are spreading—and what it takes to flatten the curve, Caitlin Rivers, PhD, MPH

US coronavirus death toll hits 300 as more states urge residents to stay home, feat. Eric Toner, MD

The Washington Post
In hard-hit areas, testing restricted to health care workers, hospital patients, feat. Jennifer Nuzzo, DrPH

Center for Infectious Disease Research and Policy (CIDRAP)
Hospitals scramble to keep up with CDC N95, mask guidance, feat. Amesh Adalja, MD

A thread on Twitter
Dr. Tom Inglesby shares comments on Twitter on:


March 3: Center for Health Security director Dr. Tom Inglesby testifies at US House of Representatives Committee on Homeland Security on COVID-19

February 5: Center for Health Security expert Dr. Jennifer Nuzzo testifies at first open congressional hearing on 2019-nCoV

Health Security Special Online Issue on Coronaviruses

10 relevant articles from Health Security on coronaviruses, outbreak preparedness and response, infection control, and public health policy are freely available to facilitate the conversation around health security.


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.

Clinicians' Biosecurity News 02/27/2020: What US Hospitals Should Do Now to Prepare for a COVID-19 Pandemic

Clinicians' Biosecurity News 03/13/2020: Get Ready for a 1918-like Scenario

Health Security: Strategies to Inform Allocation of Stockpiled Ventilators to Healthcare Facilities During a Pandemic

Other important external resources

CCDC: Surveillance programme (PDF)
CCDC: Epidemiological investigations (PDF)
CCDC: Contact tracing (PDF)
CCDC: Laboratory diagnostics (PDF)

Pandemic |

Coronavirus Disease 2019 (COVID-19) | CDC
Coronavirus Disease 2019 (COVID-19) Peer-Reviewed Publications (list maintained by the CDC)

Tracking the Coronavirus

The Center for Systems Science and Engineering at JHU is tracking the COVID-19 spread in real-time.


Our Mission

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