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:
Aquatics FAQs
Recommendations for Fully Vaccinated People
COVID-19 Homepage
Aquatics FAQs
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.
Information for Laboratories about Coronavirus (COVID-19)
Information for Laboratories about Coronavirus (COVID-19)

Using Antigen Tests
Guidance on effective clinical and public health use of antigen tests for COVID-19 in different testing situations

Testing
COVID-19 testing for labs
Advisories and Alerts
- Dec 10. 2021 12/10/2021: Lab Update: Join the Next Clinical Laboratory COVID-19 Response Call on Monday, December 13 at 3:00 PM ET
- Dec 03. 2021 12/03/2021: Lab Alert: CDC Update on the SARS-CoV-2 Omicron Variant
- Nov 29. 2021 11/29/2021: Lab Advisory: CMS Publishes New FAQ about CLIA and Over-the-Counter Home Testing