Updated: Guidance on how long people should quarantine with newest COVID variant XBB1.5

...People with COVID-19 should isolate for five days, the CDC said. And, if they are asymptomatic or their symptoms are resolving (without fever for 24 hours), they should follow that by five days of wearing a mask when around others to minimize the risk of infecting people they encounter.

The change is motivated by science demonstrating that the majority of COVID transmission occurs early in the course of illness — generally in the one to two days prior to onset of symptoms, and then two to three days after, according to CDC guidance.

Additionally, the CDC also recently updated the recommended quarantine period for anyone who knows they were exposed to COVID-19.

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