The following information was an update made by the CDC on January 6, 2022: The CDC has updated guidance for K-12 schools to align with the updated quarantine and isolation guidance.
Quarantine is a strategy used to prevent transmission of COVID-19 by keeping people who have been in close contact with someone with COVID-19 apart from others. Isolation is used to separate people with confirmed or suspected COVID-19 from those without COVID-19.