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.
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.

Escalating a Travel Health Notice Level

Escalating a Travel Health Notice Level
Escalating a Travel Health Notice Level

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  • Any primary criterion (new case count and/or incidence rate* and/or the new case trajectory) consistently exceeds the threshold of the current Travel Health Notice level for 14 consecutive days OR Any primary criterion (new case counts and/or incidence rate* and/or the new case trajectory) suddenly and abruptly exceeds the threshold of the current Travel Health Notice level for 7-14 consecutive days
  • If “YES”, ESCALATE

*Incidence rate not assessed for destinations with populations of 300,000 or less