Denver Health employee return-to-work criteria after onset of COVID-19 symptom(s):


Isolation Period for Symptomatic

Isolation Period for Asymptomatic (no symptoms)

Vaccinated and/or boosted

5 days*

5 days


7 days*

7 days


20 days*

7+ days with a negative home antigen test

*Employees must also have:

  • No fever for at least 24 hours without the use of fever-reducing medication, such as acetaminophen (Tylenol) or ibuprofen (Advil, Motrin) AND

  • No symptoms or an improvement in symptoms

Employees no longer need clearance from COSH to return to work after completing the isolation period advised above.

Vaccinated health care workers do not need to quarantine after a high-risk exposure.

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