People Who Are Immunocompromised

People Who Are Immunocompromised

Improving Ventilation in Your Home

If a visitor needs to be in your home, improving ventilation (air flow) can help prevent virus particles from accumulating in the air in your home. Good ventilation, along with other preventive actions, like staying 6 feet apart and wearing masks, can help prevent you from getting and spreading Coronavirus Disease 2019 (COVID-19).

Requirement for Proof of COVID-19 Vaccination for Air Passengers

Noncitizen nonimmigrants must be fully vaccinated to travel by air to the US. Some categories of noncitizen nonimmigrants are excepted from the requirement but will need to fulfill other requirements.

COVID-19 Hospitalization and Death by Age

Risk of COVID-19 hospitalization and death by age group

COVID-19 Hospitalization and Death by Race/Ethnicity

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

Frequently Asked Questions about COVID-19 Vaccination Data

CDC reports COVID-19 vaccination data online on COVID Data Tracker and in vaccination datasets.  Timely and accurate reporting from jurisdictions provides the reliable data that can be reported by CDC to the public.

COVID Data Tracker Weekly Review

A review of the week's key data from CDC's COVID Data Tracker, narrative interpretations, and visualizations.

What You Should Know About the Possibility of COVID-19 Illness After Vaccination

COVID-19 vaccines are safe and effective. However, some people who are fully vaccinated will still get COVID-19 if they are exposed to the virus that causes it.

COVID-19 Vaccine Breakthrough Case Investigation and Reporting

This page provides information and resources to help public health departments and laboratories investigate and report COVID-19 vaccine breakthrough cases.

COVID-19 Graphics and Buttons

CDC has provided buttons and badges for public use. The graphic can be placed in any way that works best for your particular site. We are hoping to see this graphic on as many sites as possible to enhance access to up to date information on Coronavirus Disease 2019 (COVID-19).

Operational Considerations for Maintaining Essential Services for and Providing Maternal, Newborn, and Child Healthcare in Low-Resource Countries

it is crucial that the needs of mothers, newborns, and children are kept in mind when developing mitigation strategies for maintaining essential services delivery in low-resource countries, including considering providing services by telehealth where feasible during COVID-19.

Sharing and Shifting Tasks to Maintain Essential Healthcare During COVID-19 in Low Resource, non-US settings

The World Health Organization (WHO) outlines two approaches to expand and ensure access to essential health services during the COVID pandemic by optimizing the use of existing healthcare workforce: task shifting and task sharing [1] [2]. Task shifting and task sharing allow for the shifting of tasks from highly qualified healthcare workers (HCWs) to HCWs with less training and less qualifications and the sharing of tasks with an equally qualified cadre of HCWs, respectively.

COVID-19 Vaccine Recommendations for Children and Teens

CDC recommends everyone ages 5 years and older get vaccinated against COVID-19. Everyone ages 12 years and older should also get a COVID-19 booster shot.

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.

Frequently Asked Questions about COVID-19 Vaccination

Answers to commonly asked questions about COVID-19 vaccines, including vaccine cost, availability, and types.

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.

About COVID-19 Vaccines

What you need to know about vaccines, including frequently asked questions and benefits of getting vaccinated.

COVID-19 Vaccine Booster Shot

People who have had 2 shots of Pfizer-BioNTech or Moderna vaccines may need to start receiving a COVID-19 booster shot 8 months after their second dose.

Register for v-safe

Use this step-by-step guide to learn how you can register for v-safe to report any side effects after your COVID-19 vaccination.

Protect Children and Teens from COVID-19

Children can get COVID-19. Help protect everyone 5 years and older by getting them vaccinated against COVID-19.

Why Children and Teens Should Get Vaccinated Against COVID-19

COVID-19 can make children and teens very sick and sometimes requires hospitalization. Help protect children ages 5 years and older by getting them vaccinated against COVID-19.

Post-COVID Conditions: CDC Science

CDC is analyzing healthcare data, partnering with clinicians, and working with researchers to learn more about post-COVID conditions (Long COVID).

Long-Term Effects of COVID-19

Heart conditions associated with COVID-19 include inflammation and damage to the heart muscle itself, known as myocarditis, or inflammation of the covering of the heart, known as pericarditis.

Understanding mRNA COVID-19 Vaccines

Messenger RNA (mRNA) vaccines teach our cells how to make a protein that triggers an immune response. They are safe and effective at preventing COVID-19.

Understanding Viral Vector COVID-19 Vaccines

Viral vector vaccines are safe and effective. They use a modified, harmless virus to deliver instructions to our cells that trigger an immune response.

Overview of Testing for SARS-CoV-2 (COVID-19)

Overview of Testing for SARS-CoV-2

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.

Interim Clinical Considerations for COVID-19 Treatment in Outpatients

Coronavirus Disease 2019 (COVID-19)

Coronavirus (COVID-19) Home Page

Health Equity

Systemic health and social inequities have put people from racial and ethnic minority groups at increased risk from COVID-19. Take steps to reduce health disparities.

International Travel

Travel requirements have changed for all passengers traveling to the United States by air. Know what you need to do to board a flight to the United States.

International Travel During COVID-19

There are several things to consider when deciding whether it is safe for you to travel in the United States. This includes the following: is COVID-19 spreading where you're going, will you be in close contact with others, are you at higher risk of severe illness if you do get COVID-19, do you have a plan for taking time off from work or school, do you live with someone who is older or has a severe chronic health condition, and is COVID-19 spreading where you live?

Non-U.S. citizen, Non-U.S. immigrants: Air Travel to the United States

Noncitizen nonimmigrants must be fully vaccinated to travel by air to the US. When you travel to the US by air, you are also required to show a negative COVID-19 test or documentation of recovery.

Requirement for Proof of Negative COVID-19 Test or Recovery from COVID-19 for All Air Passengers Arriving in the United States

Information and frequently asked questions about requirement for proof of negative COVID-19 test or recovery from COVID-19 for all air passengers arriving in the United States

Travel: Frequently Asked Questions and Answers

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

Communication Resources for Travelers

Communication Resources for Travelers regarding travel health alerts and COVID-19.

Air Travel Toolkit for Airline Partners

Communication Toolkit for Airlines to inform Travelers and Crew

Southern Border Toolkit for Partners

CDC created this airline toolkit for airlines that are educating/informing travelers and crew about COVID-19.

Responding to COVID-19 Cases in K-12 Schools: Resources for School Administrators

A guide for school administrators on how to address COVID-19 cases in schools.

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.

Correctional and Detention Facilities

Resources for Correctional and Detention Facilities

COVID-19 Vaccines While Pregnant or Breastfeeding

Healthcare personnel who are pregnant or breastfeeding may get vaccinated for COVID-19, but there are many considerations that go into that decision.

COVID-19 Vaccines Are Free to the Public

Vaccines information, Free vaccination information and what you need to know before your appointment, and what you can do when you are fully vaccinated

Clinical Questions about COVID-19: Questions and Answers

FAQ for Healthcare Professionals

Operational Considerations for Maintaining Essential Services for and Providing Maternal, Newborn, and Child Healthcare in Low-Resource Countries

it is crucial that the needs of mothers, newborns, and children are kept in mind when developing mitigation strategies for maintaining essential services delivery in low-resource countries, including considering providing services by telehealth where feasible during COVID-19.

COVID-19 Hospitalization and Death by Age

Risk of COVID-19 hospitalization and death by age group

COVID-19 Hospitalization and Death by Race/Ethnicity

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

Enroll your Dependent in v-safe

Use this step-by-step guide to learn how you can register your dependent or child into v-safe to report any side effects after their COVID-19 vaccination.