What to Do If You Were Exposed to COVID-19 | CDC Learn what to do if you are exposed to COVID-19, including how long to wear a mask, what to do if symptoms develop, and when to take a COVID-19 test
What We Know About Quarantine and Isolation - CDC Stacks On January 4, CDC updated COVID-19 isolation and quarantine recommendations with shorter isolation (for asymptomatic and mildly ill people) and quarantine periods of 5 days to focus on the period when a person is most infectious, followed by continued masking for an additional 5 days
Port Health Stations | Port Health | CDC Although we honor the history of quarantine and continue to carry out CDC's public health authorities—including using federal quarantine or isolation, if needed—port health is broader than the name "quarantine" and reflects our goal of keeping travelers and destination communities safe
Infection Control Guidance: SARS-CoV-2 | COVID-19 | CDC Empiric use of Transmission-Based Precautions (quarantine) is recommended for patients who have had close contact with someone with SARS-CoV-2 infection if they are not up to date with all recommended COVID-19 vaccine doses