Important update: Healthcare facilities
CDC has updated select ways to operate healthcare systems effectively in response to COVID-19 vaccination. Learn more
To maximize protection from the Delta variant and prevent possibly spreading it to others, get vaccinated as soon as you can and wear a mask indoors in public if you are in an area of substantial or high transmission.
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.

More Resources about COVID-19

More Resources about COVID-19
More Resources

Get information on CDC’s national and global response. Find documents and guidance to support your local public health efforts.

Archived Content

To find a list of content that has been archived for historical purposes, please visit our archive. Please note the content of these pages and files may be out of date as they are no longer being updated. View Archive