Coronavirus Resource Center
Johns Hopkins experts in global public health, infectious disease, and emergency preparedness have been at the forefront of the international response to COVID-19.
This website is a resource to help advance the understanding of the virus, inform the public, and brief policymakers in order to guide a response, improve care, and save lives.
COVID-19 Case Tracker
Follow global cases and trends.
Updated daily.
Trends
State Timeline
Timeline of COVID-19 policies, cases, and deaths in your state
A look at how social distancing measures may have influenced trends in COVID-19 cases and deaths
Testing Insights
Testing Trends Tool
Track Trends in COVID-19 Cases and Tests
Trends
New Cases of COVID-19 in US States
Have states flattened the curve?
See if new cases are rising or declining as states reopen.
Trends
New Cases
Have countries flattened the curve?
Daily confirmed new COVID-19 cases for the 20 most affected countries over time.
Testing Insights
States Comparison
Which U.S. States Meet WHO Recommended Testing Criteria?
See if your state is testing enough
Testing Insights
State Trends
Weekly U.S. Testing Trends
Track daily and weekly testing trends in the US and state-by-state
Trends
State Timeline
Timeline of COVID-19 policies, cases, and deaths in your state
A look at how social distancing measures may have influenced trends in COVID-19 cases and deaths
Testing Insights
Testing Trends Tool
Track Trends in COVID-19 Cases and Tests
Trends
New Cases of COVID-19 in US States
Have states flattened the curve?
See if new cases are rising or declining as states reopen.
Trends
New Cases
Have countries flattened the curve?
Daily confirmed new COVID-19 cases for the 20 most affected countries over time.
Testing Insights
States Comparison
Which U.S. States Meet WHO Recommended Testing Criteria?
See if your state is testing enough
Testing Insights
State Trends
Weekly U.S. Testing Trends
Track daily and weekly testing trends in the US and state-by-state
Johns Hopkins COVID-19 Testing Insights Initiative
Providing public access to COVID-19 testing data, resources, and expert analysis
Learn More
News & Information
Important information and updates from the experts and researchers at Johns Hopkins.
From Our Experts
Management Metrics for Cities in the COVID–19 Crisis
Bloomberg Philanthropies brought together the Johns Hopkins School of Public Health and the What Works Cities Initiative to develop this comprehensive set of evidence-based COVID–19 management metrics designed specifically for cities.
MSNBC: Mutated coronavirus under scrutiny for ease of transmission
Dr. Amesh Adalja of the Johns Hopkins Center for Health Security on reports that Houston is dealing with a mutated form of the coronavirus, and what that means in practical terms for how the virus spreads.
Bloomberg: Selling Middle Seat on Airlines Is Still Risky, Says Johns Hopkins
Crystal Watson, a senior scholar and assistant professor at the Johns Hopkins Bloomberg School of Public Health, on airplane risks during the pandemic.
CNBC: New cases in the U.S. started transmission chains that ‘spiraled’ out of control, says expert
Dr. Amesh Adalja of the Johns Hopkins Center for Health Security on breaking the transmission chains among new coronavirus cases before hospitals become inundated with patients.
Latest News
Global Health NOW Updates
COVID-19 cases are rising, but deaths are falling. What’s going on?
Bloomberg: 'Dismissive' U.S. Governors Taking Virus Seriously Now
Masks are a flashpoint amid the coronavirus pandemic. Here's what science says about them.
Coronavirus Cases in U.S. Are Rising, Even as Death Rates Trend Down
COVID-19 Basics
Learn more about COVID-19 and what you can do to stay safe and prevent spread of the virus.
Understanding the COVID-19 Pandemic
Johns Hopkins University is hosting a free, publicly available course entitled Understanding the COVID-19 Pandemic: Insights from Johns Hopkins University Experts.
Frequently Asked Questions
How do I self-quarantine? How long can COVID-19 live on surfaces? What will it take to develop a vaccine? Johns Hopkins experts answer your most frequently asked questions about coronavirus.
Protecting Your Health
Johns Hopkins experts offer best practices for protecting your health, the health of others, and preventing the spread of coronavirus.
Public Health on Call
Experts from the Johns Hopkins Bloomberg School of Public Health answer questions and discuss the latest developments in the COVID-19 public health crisis. New episodes are posted daily.
Get Regular Updates
Subscribe to regular updates on COVID-19 from Johns Hopkins experts.
Get Daily Situation Reports
Subscribe to daily situation reports produced by the Center for Health Security at the Johns Hopkins Bloomberg School of Public Health.
Global Health NOW
Get the the latest global health news delivered to your inbox, curated by Johns Hopkins experts.
Center for Health Security E-Newsletters
Subscribe to one or all of our e-newsletters bringing you essential health security news: Health Security Headlines, Preparedness Pulsepoints, Clinicians' Biosecurity News, and COVID-19.
Resource Network
Useful resources, information, and analysis about the spread and impact of COVID-19.
Facts From Medical Experts
Important information about how Johns Hopkins Medicine is preparing for this novel coronavirus
COVID-19 Expert Reality Check
Critical public health insights to understand the impact of the emerging outbreak
Prevention and Preparedness
Resources and information to prepare for and prevent the spread of the coronavirus
School of Public Health Expert Insights
Webcasts, podcasts, and articles featuring evidence-based insights from experts
State and Local Health Officials
NACCHO’s directory of state and local health officials
Ethics and Policy Insights and Resources
Resources for shaping an international health response to COVID-19 that is ethical as well as effective.
