Important update: Healthcare facilities
CDC has updated select ways to operate healthcare systems effectively in response to COVID-19 vaccination. Learn more
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.

Guidance for Healthcare Workers about COVID-19 (SARS-CoV-2) Testing

Guidance for Healthcare Workers about COVID-19 (SARS-CoV-2) Testing
Updated Dec. 20, 2022
COVID-19 test tube and swab held by medical professional
Testing Overview

Summary of considerations and current CDC recommendations regarding COVID-19 testing strategies.

Testing Overview

COVID-19 Antibody Testing

Learn about COVID-19 antibodies and CDC recommendations for using COVID-19 antibody tests.