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Data in Motion

COVID-19 Data in Motion

A 60-second, daily summary of the most important data on COVID-19 in the U.S., updated every morning.

New

Pandemic Data Outlook

Moving Goalposts: How Data Show COVID-19 Impacted the NFL

The National Football League has had some of the most visible and discussed COVID-19 policies throughout the pandemic. The effect of these strategies on COVID-19 spread and resulting team performance show that teams with more COVID-19 cases were at a slight disadvantage compared to their healthier rivals.

Testing Trends Tool

Track trends in COVID-19 cases and tests

State Timeline

Impact of opening and closing decisions by state

A look at how social distancing measures may have influenced trends in COVID-19 cases and deaths

Vaccines

Understand timelines, safety, and development for COVID-19 vaccines.

U.S. Vaccination Efforts

Explore Vaccination Progress by U.S. State

International Vaccination Efforts

Explore Vaccination Progress by Country

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Vaccine Story

Explore how U.S. states delivered their supplies of COVID-19 vaccines to their residents at vastly different speeds that led to vastly different results.

Vaccine State Plans

Compare the various strategies U.S. states used for rolling out vaccinations. While states all agreed health care workers should be first in line for vaccines, the states quickly diverged on who came next.

New

December 6, 2021

Supreme Court Approved Vaccine Mandates 116 Years Ago

By Chris Beyrer, Larry Corey

September 8, 2021

Full Approval: What Does FDA Approval for the Pfizer COVID-19 Vaccine Mean for Mandates? Hesitancy? The Fall?

By Chris Beyrer

August 16, 2021

Vaccination and the Delta Variant: Four Steps Forward, Two Steps Back

By Larry Corey

May 26, 2021

Q&A: 80 Million Donated Vaccine Doses: Too Little, Too Late?

By William Moss

Pandemic Data Initiative

Providing an archive for the data patterns we noticed throughout the COVID crisis

New

Pandemic Data Outlook

Moving Goalposts: How Data Show COVID-19 Impacted the NFL

The National Football League has had some of the most visible and discussed COVID-19 policies throughout the pandemic. The effect of these strategies on COVID-19 spread and resulting team performance show that teams with more COVID-19 cases were at a slight disadvantage compared to their healthier rivals.

New

Expert Insight

Q&A: Collecting Data on Healthcare Resilience

Healthcare organizations have been stretched thin throughout the pandemic, but frontline workers continue to show up and save lives. The ability of these organizations to perform well despite unprecedented pressures should be analyzed through the lens of ‘high-reliability organizing’ to determine what changes could help prepare for future crises.

New

Pandemic Data Outlook

Home Tests Confound COVID-19 Testing Data

With the increasing popularity of at-home tests for COVID-19, states and test providers need guidance on how to collect and interpret data from these tests. For now, we know that case data does not reflect these at-home tests, but at-home tests are serving an important public health capacity.

Expert Insight

Q&A: All Data Are Health Data

With data collection on individuals only increasing in response to the pandemic, it is time for a serious public discussion of how all personal data are collected, analyzed, and stored in a way that emphasizes privacy and prevents overreach. This is a crucial step to rebuilding public trust and making it safe for individuals to participate in the online public sphere.

Tracking

Follow global cases and trends.
Updated daily.

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Tracking Covid

Explore critical data

Examine the pandemic through a variety of demographic lenses: age, race, ethnicity, and gender.

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U.S. State Data Availability

Which states have released breakdowns of Covid-19 data by race?

Visual representations of released state data.

Testing

Providing public access to COVID-19 testing data, resources, and expert analysis

Testing tracker

See changes in new cases and testing capacity in all 50 states

Understanding COVID-19 outbreaks across U.S. states and regions based on three important metrics.

Testing tracker

New tests per 100k people

A state-by-state comparison.

Testing tracker

Have new tests declined from previous week?

A state-level look at weekly changes in testing rates.

Testing tracker

Percent of new tests that are positive

See which states meet or exceed test positivity rates recommended by the World Health Organization.

Contact Tracing

Resources and Expert Guidance for Tracing the COVID-19 Pandemic

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. The job qualifications for contact tracing positions differ throughout the country and the world, with some new positions open to individuals with a high school diploma or equivalent.

news | January 7, 2022

The Washington Post: Amid Omicron surge, contract tracing is more complicated, officials say

With the number of potential contacts infected by the highly contagious Omicron variant far higher than with previous variants, it is not feasible for health officials to reach everyone who may be at risk.

news | February 24, 2021

USA Today: COVID-19 exposure warnings for iPhone, Android phones: apps still await widespread adoption

Six months after the arrival of the first COVID-19-warning smartphone apps built on a privacy-preserving framework from Apple and Google, they remain yet another coronavirus pandemic scarcity.

resource | November 25, 2020

Johns Hopkins Bloomberg School of Public Health: Monitoring and Evaluating Contact Tracing Programs

Contact tracing courses, metrics and tools from the Bloomberg School of Public Health.

E-Learning: Understanding the COVID-19 Pandemic

Insights from Johns Hopkins University Experts

Insights From Johns Hopkins University Experts

Upon completing this course, you will be able to:

  • Describe characteristics of the COVID-19 disease, including how it is diagnosed and treated
  • Understand the development of the COVID-19 pandemic, and emerging trends throughout the world
  • Discuss societal challenges raised by COVID-19 and opportunities to address them

Module 1

Virology, Coronaviruses, and COVID-19

Module 2

Diagnosing, Treating, and Preventing COVID-19

Module 3

Medical Therapies and Vaccines in Development

Module 4

Epidemiology: Understanding the Spread of COVID-19


Take Online Course

Latest News & Resources

New

news | February 3, 2022

Associated Press: A different COVID-19 vaccine debate: Do we need new ones?

Research is underway to create next-generation vaccines that might offer broader protection against future mutants -- but they won’t be ready anytime soon.

experts | February 2, 2022

WBAL: Pfizer requests emergency use authorization for vaccines of children under 5

Doctors think the Omicron variant surge and record numbers of infections in young kids is the reason Pfizer is submitting what data they have to help stop the spread.

experts | February 2, 2022

PBS Newshour: Why the COVID death rate in the U.S. is so much higher than other wealthy nations

More than two years into this pandemic, the United States death toll is the highest in the world.


news | February 1, 2022

CNBC: U.S. COVID fatalities reach highest level in a year as Omicron cases subside

The U.S. death toll from COVID rose to an average of more than 2,400 fatalities per day over the previous seven days.

webcasts | January 28, 2022

The Johns Hopkins 30-Minute COVID-19 Briefing: Expert Insights on What You Need to Know Now

Friday January 28, 2022 12:00-12:30 ET Join experts from the Johns Hopkins Coronavirus Resource Center (CRC) at 12pm ET on Fridays for timely, accessible updates on the state of the pandemic and the public health response.

news | January 27, 2022

U.S. News & World Report: Endemic, ‘new normal’ chatter intensifies as U.S. coronavirus cases start to decline

With increased levels of immunity due to vaccines and the massive number of infections caused by Omicron, talks of whether the U.S. is approaching a “new normal” are intensifying.

experts | January 24, 2022

Monday Update: COVID-19 Hospitalizations, Like Cases, Declined Last Week

Deaths, always a lagging indicator, increased slightly but remained lower than the number of fatalities a year earlier amid far fewer cases.

webcasts | January 21, 2022

Pandemic Data Initiative Expert Forum: COVID Patient Data

Please join us for the fourth Pandemic Data Initiative Expert Forum featuring guests from academia, medicine, and health agencies. Friday January 21, 2021, 12:00 PM - 1:00 PM EST.

experts | January 21, 2022

Less Lethal U.S. COVID Cases Decline Slightly

While cases over the past week fell for the first time in a month, hospitals remain overwhelmed with record numbers of patients.

news | January 21, 2022

Verywell Health: How soon can you get boosted after recovering from COVID-19?

According to the Centers for Disease Control and Prevention (CDC), about 38.7% of fully vaccinated Americans have now gotten either their COVID-19 booster or third vaccine dose.

experts | January 20, 2022

Remdesivir Improved Outcome for Hospitalized COVID-19 Patients

A new data analysis of over 43,000 COVID patients by Johns Hopkins University researchers shows how the antiviral drug’s effectiveness can shorten hospital stays and alleviate the crush of new cases overwhelming the nation’s health care system.

news | January 20, 2022

CNBC: Omicron might be the worst COVID gets when it comes to transmissibility, experts predict

Some experts say that when it comes to contagiousness, Omicron could be the “most transmissible the virus can get.”

news | January 20, 2022

The Atlantic: Families are going rogue with rapid tests

Since the Omicron variant began its high-speed march across the United States, at-home tests have become nearly impossible to find in many towns and cities.

news | January 20, 2022

Advisory Board: Has Omicron peaked? Yes – and no.

New data suggests the Omicron surge has peaked nationwide and cases are now starting to decline.

experts | January 14, 2022

NPR: The surge of Omicron cases in the U.S. may have started to peak

Could the Omicron surge be starting to peak in the United States?