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.

Contact Tracing Resources for Health Departments

Contact Tracing Resources for Health Departments

Resources for Conducting Contact Tracing to Stop the Spread of COVID-19

Updated Aug. 25, 2021

Resources from CDC

CDC guidance for COVID-19 may be adapted by state and local health departments to respond to rapidly changing local circumstances.

Guidance Documents

Technical Assistance and Tools

Operations

Digital Tools

Materials for Case Investigators and Contact Tracers

Science Briefs and Articles