Category Archives: News

SARS-CoV-2 Variant Classifications and Definitions

Variants of SARS-CoV-2, the virus that causes COVID-19, have been reported in many countries around the world. Learn more about the current variants of concern.… read more »

What You Need to Know About Variants

Since November 2020, the United Kingdom (UK) has reported a rapid increase in COVID-19 cases in London and southeast England. This rapid increase in cases has been linked to a different version-or variant-of the virus that causes COVID-19 (SARS-CoV-2).… read more »

Quarantine and Isolation (Q&I) Calculator FAQ

Find guidance for health departments on people in U.S. communities exposed to a person with known or suspected COVID-19 or community-related exposure.… read more »

How CDC Determines the Level of a Country’s COVID-19 Travel Health Notice

CDC notifies travelers and other audiences about health threats in destinations around the world through Travel Health Notices (THN). During the COVID-19 pandemic, CDC has also provided an interactive world map specifically showing COVID-19 travel recommendations by country.… read more »

Requirement for Face Masks on Public Transportation Conveyances and at Transportation Hubs

Effective immediately, CDC is strongly recommending that masks are worn by all passengers on and operators of public transportation conveyances to prevent spread of the virus that causes COVID-19.… read more »

Testing Data in the U.S.

Testing in the U.S.… read more »

Recommendations for Tribal Ceremonies and Gatherings During the COVID-19 Outbreak

Recommendations to help tribal communities, elders, and leaders decide how best to keep their communities safe and work to prevent the spread of COVID-19 when holding tribal ceremonies such as sweat lodge gatherings, seasonal ceremonies, pow wows and rodeos.… read more »