Important update: Healthcare facilities
CDC has updated select ways to operate healthcare systems effectively in response to COVID-19 vaccination. Learn more
UPDATEGiven 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.
UPDATEThe 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.
Contact tracing slows the spread of COVID-19
Updated Feb. 9, 2022
This page is for health departments. For contact tracing information for the general public please see COVID-19 Contact Tracing.
Training and Tools
- Training Modules
- Contact Tracer’s Interview Tool: Notifying People About an Exposure to COVID-19
- Case Investigator’s Interview Tool: Talking With People about COVID-19
- Information for Case Investigators and Contact Tracers
- Training, Evaluation, and Monitoring Guidance for Health Department Supervisors and Training Leadspdf icon