Case Investigation and Contact Tracing : Part of a Multipronged Approach to Fight the COVID-19 Pandemic

Contact Tracing : Part of a Multipronged Approach to Fight the COVID-19 Pandemic

Interim Guidance on Developing a COVID-19 Case Investigation & Contact Tracing Plan: Overview

Interim Guidance on Developing a COVID-19 Case Investigation & Contact Tracing Plan: Overview

Prioritizing Case Investigations and Contact Tracing for COVID-19 in High Burden Jurisdictions

This new guidance further refines prioritization recommendations and presents emerging modeling data regarding timeframes for effectiveness.

COVID-19 Information for Specific Groups of People

Some people need to take extra precautions to avoid getting sick from COVID-19, like people at increased risk for severe illness or people in some vulnerable populations.

COVID-19 Community Levels

COVID-19 Community Levels help determine precautions people and communities can take to protect against COVID-19. Learn about levels and how they're measured.

Requirement for Face Masks on Public Transportation Conveyances and at Transportation Hubs

Effective immediately, CDC is strongly recommending that masks are worn by all passengers on and operators of public transportation conveyances to prevent spread of the virus that causes COVID-19.

How to Select, Wear, and Clean Your Mask

COVID-19 spreads mainly from person to person through respiratory droplets produced when an infected person coughs, sneezes, or talks. These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs.

Pregnant and Recently Pregnant People

Pregnant people need to take steps to protect themselves and stay healthy during the COVID-19.

How to Protect Yourself & Others

The best way to prevent COVID-19 infection is to avoid exposure to this virus and follow these everyday preventative actions.

COVID-19 County Check Tool: Understanding Community Transmission Levels in Your County

COVID Risk Widget Precautions

COVID-19 by County

Find out what the COVID-19 Community Level is in your area so you can learn about what precautions you can take to protect yourself and others from COVID-19.

Using Antibody Tests for COVID-19

CDC has developed interim guidance for how healthcare providers, laboratories, and public health staff should use antibody tests. This guidance also has advice useful for people taking antibody tests, employers, healthcare workers, and people operating group residential facilities.

Social Media Toolkit : Variants

Social media posts for your organization to spread accurate information on COVID-19 and its variatns.

Test for Current Infection (Viral Test)

Provides information on testing for coronavirus infection, including how to decide about testing, how to get a test, and what to do after a viral test.

Archive of COVID-19 Vaccination Data Updates

CDC reports COVID-19 vaccination data online on COVID Data Tracker and in vaccination datasets.

COVID-19 Vaccine Information for Specific Groups of People

Although the vaccine supply is currently limited, CDC is working toward making vaccines widely available for everyone at no cost. Learn more about your state's plan.

COVID-19 Vaccines that Require 2 Shots

If you receive a Pfizer-BioNTech or Moderna COVID-19 vaccine, you will need 2 shots to get the most protection.

Information About Johnson & Johnson's Janssen COVID-19 Vaccine

J&J's Janssen COVID-19 vaccine is a viral vector vaccine that requires only 1 shot. Learn about safety data, efficacy, and clinical trial demographics.

Reporting COVID-19 Vaccination Demographic Data

CDC's COVID Data Tracker provides COVID-19 vaccination data in the United States, including Demographic Characteristics of People Receiving COVID-19 Vaccinations in the United States.

Reporting Trends in Number of COVID-19 Vaccinations

CDC's COVID Data Tracker provides trends data on the number of COVID-19 vaccines administered in the United States.

One Man's Passion for Migrant's Health

Alfonso Rodriguez-Lainz's passion for migrants' health during the COVID-19 pandemic creates a project to provide PPEs and education

Steps for Determining Close Contact and Quarantine in K-12 Schools

Infographic for identifying COVID-19 close contacts in K-12 school settings and public health recommendations for close contacts.

What to Do if a Child Becomes Sick Or Receives A New COVID-19 Diagnosis At Your Child Care Program

This flowchart outlines what to do if a child becomes sick or receives a new COVID-19 diagnosis at your child care facility

Considerations for Use of SARS-CoV-2 Antigen Testing in Nursing Homes

SARS-CoV-2 Antigen Testing in Nursing Homes

Travel: Frequently Asked Questions and Answers

Frequently Asked Questions regarding travel during the COVID-19 pandemic.

COVID-19 Vaccines for Moderately to Severely Immunocompromised People

CDC recommends that moderately or severely immunocompromised people receive an additional dose of mRNA COVID-19 vaccine at least four weeks after a second dose of Pfizer-BioNTech COVID-19 vaccine or Moderna COVID-19 vaccine.

Notification of Exposure: A Contact Tracer's Guide for COVID-19

A Contact Tracer's Guide for COVID-19 focuses on communication strategies for contact interviews and provides suggested language for each topic area covered in an interview.

Parents and Caregivers - What Is Your School Doing to Protect Your Child from COVID-19?

A set of questions parents can ask their school to learn more about their COVID-19 precautions. This page also includes answers to Frequently Asked Questions (FAQs) CDC is hearing from parents and caregivers.

Science Brief: Evidence used to update the list of underlying medical conditions that increase a person's risk of severe illness from COVID-19

Supporting evidence for CDC's list of underlying medical conditions that put individuals at increased risk for severe illness from COVID-19.

Systematic Review Process

Supporting evidence from CDC conducted systematic reviews of evidence about associations between various underlying conditions and severe outcomes for COVID-19.

Underlying Medical Conditions Associated with High Risk for Severe COVID-19: Information for Healthcare Providers

Guidance for clinical healthcare workers on clinical care for patients with underlying medical conditions who are diagnosed with COVID-19.

Talking with the Patient - A Case Investigator's Guide to COVID-19

This document focuses on communication strategies for case interviews and provides suggested language for case investigators as they cover each topic area during an interview.

What to Expect at Your Appointment to Get Vaccinated for COVID-19

Because COVID-19 is a new disease with new vaccines, you may have questions about what happens before, during, and after your appointment to get vaccinated. These tips will help you know what to expect when you get vaccinated, what information your provider will give you, and resources you can use to monitor your health after you are vaccinated.

Self-Testing Videos

Learn how self-testing and collection allow you to collect a specimen at home and either send it to a testing facility or perform the test at home.

Air Travel Toolkit for Airline Partners

Communication Toolkit for Airlines to inform Travelers and Crew

Scaling Up Staffing Roles in Case Investigation and Contact Tracing

This section describes the workforce needed to quickly scale up COVID-19 case investigation and contact tracing activities, including specific job roles.

Correctional and Detention Facilities

Resources for Correctional and Detention Facilities

Interim Guidance on Management of Coronavirus Disease 2019 (COVID-19) in Correctional and Detention Facilities

Guidance on preparing for, preventing, and managing the spread of COVID-19 in correctional and detention facilities.

Interim Guidance on Unsheltered Homelessness and Coronavirus Disease 2019 (COVID-19) for Homeless Service Providers and Local Officials

Guidance intended to provide key actions that local and state health departments, homelessness service systems, housing authorities, emergency planners, healthcare facilities, and homeless outreach services can take to protect people experiencing homelessness from the spread of COVID-19.

Interim Considerations for Health Departments for SARS-CoV-2 Testing in Homeless Shelters and Encampments

Testing Considerations in Homeless Shelters & Encampments

Interim Guidance for Homeless Service Providers to Plan and Respond to Coronavirus Disease 2019 (COVID-19)

Interim guidance for homeless service providers to plan and respond to coronavirus disease 2019 (COVID-19)

COVID-19 Contact Tracing

COVID-19 Contact Tracing Training Guidance and Resources

If You Are Sick or Caring for Someone

If you are sick with COVID-19 or suspect you are infected with the virus that causes COVID-19, you should take steps to help prevent the disease from spreading to people in your home and community.

People with Certain Medical Conditions

People of Any Age with Underlying Medical Conditions

Interactive Ventilation Tool

Use this interactive tool to see how particle levels change as you adjust ventilation settings.

Getting Your CDC COVID-19 Vaccination Record Card

Information about how to get a CDC COVID-19 Vaccination Record card, what to do if you have documentation from vaccination in another country, and how to recognize vaccine card fraud.

COVID-19 Vaccines for People with Allergies

If you've had an allergic to any ingredient in an mRNA COVID-19 vaccine, you shouldn't get either of the currently available mRNA COVID-19 vaccines.

What To Do if You Are Sick

Steps to help prevent the spread of COVID-19 if you are sick

Considerations for Institutes of Higher Education

Explore CDC's considerations for institutes of higher education regarding COVID-19.

How to Determine a Close Contact for COVID-19

Infographic for identifying COVID-19 close contacts in indoor and outdoor settings as well as public health recommendations for close contacts.

Developing Vaccines Quickly

A description of how COVID-19 vaccines were developed, tested, authorized, and distributed quickly while maintaining the same high safety standards required for all vaccines.

About COVID-19 Vaccine Delivered and Administration Data

CDC is using both new and existing information technology (IT) systems to rapidly collect reliable data about how many doses of COVID-19 vaccines have been delivered (distribution) and how many people have been vaccinated with those doses (administration)

COVID-19 Vaccines and Severe Allergic Reactions

Learn about the types of allergic reactions you should watch out for, like anaphylaxis, and what to do if you experience one after getting a COVID-19 vaccine.

What You Need to Know About Variants

Since November 2020, the United Kingdom (UK) has reported a rapid increase in COVID-19 cases in London and southeast England. This rapid increase in cases has been linked to a different version-or variant-of the virus that causes COVID-19 (SARS-CoV-2).

Interim Infection Prevention and Control Recommendations for Healthcare Personnel During the Coronavirus Disease 2019 (COVID-19) Pandemic

Guidance for healthcare professionals who have the potential for direct or indirect exposure to patients or infectious materials.

Interim Infection Prevention and Control Recommendations to Prevent SARS-CoV-2 Spread in Nursing Homes

Guidance for nursing homes and other long-term care facilities to take steps to assess and improve their preparedness for responding to coronavirus disease 2019 (COVID-19).

Information for Health Departments on Reporting Cases of COVID-19

Coronavirus Disease (COVID-19) is a disease caused by the newly emerged coronavirus SARS-CoV-2. To prevent further spread of SARS-CoV-2 and to collect information to better understand the virus and its impact on health outcomes, CDC has developed a form that provides a standardized approach to reporting COVID-19 cases (individuals with at least one respiratory specimen that tested positive for the virus that causes COVID-19). These data are needed to track the impact of the outbreak and inform public health response.

Omicron Variant: What You Need to Know

Learn what you should know about the Omicron variant and how to protect yourself and others.

Self-Testing

Learn more about how at-home testing and collection allow you to collect a specimen at home and either send it to a testing facility or perform the test at home.

COVID-19 Hospitalization and Death by Race/Ethnicity

Risk of COVID-19 hospitalization and death by race/ethnicity

COVID-19 Hospitalization and Death by Age

Risk of COVID-19 hospitalization and death by age group

COVID-19 Testing Overview

If you are a close contact of someone with COVID-19 or you are a resident in a community where there is ongoing spread of COVID-19 and develop symptoms of COVID-19, call your healthcare provider and tell them about your symptoms and your exposure.

Health Equity in Action

Health Equity in Action