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Important update: Healthcare facilities

CDC has updated select ways to operate healthcare systems effectively in response to COVID-19 vaccination. Learn more

Find the latest information:
Recommendations for Fully Vaccinated People
COVID-19 Homepage

UPDATE

Given new evidence on the B.1.617.2 (Delta) variant, CDC has updated the guidance for fully vaccinated people. CDC recommends universal indoor masking for all teachers, staff, students, and visitors to K-12 schools, regardless of vaccination status. Children should return to full-time in-person learning in the fall with layered prevention strategies in place.

UPDATE

The White House announced that vaccines will be required for international travelers coming into the United States, with an effective date of November 8, 2021. For purposes of entry into the United States, vaccines accepted will include FDA approved or authorized and WHO Emergency Use Listing vaccines. More information is available here.

UPDATE

Travel requirements to enter the United States are changing, starting November 8, 2021. More information is available here.

The COVID-19 website has been restructured to improve the quality of information. If you cannot find the information you’re looking for, please use the search bar, access the site menu on About COVID-19, or search for archived materials on archive.cdc.gov.

Imagery of a vaccine vial, a calendar, and an alarm clock.

COVID-19 Vaccines

COVID-19 vaccines are safe, effective, and free. Everyone 6 months and older can get an updated COVID-19 vaccine.

The COVID-19 website has been restructured to improve the quality of information. If you cannot find the information you’re looking for, please use the search bar, access the site menu on About COVID-19, or search for archived materials on archive.cdc.gov.

Imagery of a vaccine vial, a calendar, and an alarm clock.

Imagery of a vaccine vial, a calendar, and an alarm clock.

COVID-19 Vaccines

COVID-19 vaccines are safe, effective, and free. Everyone 6 months and older can get an updated COVID-19 vaccine.

Symptoms of COVID-19

People may experience sudden fever or chills, cough, shortness of breath, loss of taste or smell, and other symptoms.

Collage showing people with COVID symptoms like coughing, fever, runny nose

Testing for COVID-19

Use viral tests like PCR or rapid at-home tests to determine if you are sick with COVID-19. Learn when and how to get tested.

Doctor wearing mask and face shield inserting nasal swab into patient's nose to test for COVID-19

Treatments and Medications

Antiviral medications are available to treat mild to moderate COVID-19. Start treatment as soon as you develop symptoms.

illustration of healthcare professionals alongside different kinds of medicine and a clipboard

Other COVID-19 Topics

COVID-19 Data

Monitoring the impact of COVID-19 and the effectiveness of prevention and control strategies remains a public health priority. CDC continues to provide sustainable, high-impact, and timely information to inform decision-making.

COVID Data Tracker

COVID-19 Data

Monitoring the impact of COVID-19 and the effectiveness of prevention and control strategies remains a public health priority. CDC continues to provide sustainable, high-impact, and timely information to inform decision-making.

COVID Data Tracker

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For Health Professionals

Imagery of a vaccine vial, a calendar, and an alarm clock.

Group of health professionals

For Health Professionals

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COVID-19 UPDATES

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