12/23/21: CDC Releases Emergency Guidance for Healthcare Facilities to Prepare for Potential Omicron Surge

• Healthcare workers with COVID-19 who are asymptomatic can return to work after 7 days with a negative test, and that isolation time can be cut further if there are staffing shortages.
• Healthcare workers who have received all recommended COVID-19 vaccine doses, including a booster, do not need to quarantine at home following high-risk exposures.

And this, from NBC News: