When to End Self-Isolation or Quarantine

Self-isolation and quarantine help protect the community by preventing exposure to people who have or may have COVID-19.

If you are sick or tested positive for COVID-19 follow these Yale Health guidelines for ending self-isolation:

Your Circumstance When to End Self-Isolation
You tested POSITIVE for COVID-19 and have symptoms

At least 10 days have passed since your symptoms first appeared,

AND

you have had no fever for at least 24 hours without the use of fever-reducing medications,

AND

symptoms (e.g., cough, shortness of breath) have improved.

You tested NEGATIVE for COVID-19 and have some symtoms

If you provider still suspects that you do have COVID-19, continue to isolate and get retested in 3 or more days from initial test. Otherwise, you can end isolation, and resume normal activities when you have had no fever for at least 24 hours and improvement in other symptoms.

It was presumed you had COVID-19 based on your symptoms but you were not tested

At least 10 days have passed since your symptoms first appeared, 

AND

you have had no fever for at least 24 hours,

AND
 

your symptoms have improved

You did not have symptoms but tested positive for COVID-19

At least 10 days have passed from the date of your positive test as long as you remain free of symptoms. 

If you develop symptoms follow the guidance above for testing positive with symptoms.

If you are not sick but were instructed to quarantine, follow these guidelines for ending quarantine:

Your Circumstance When to End Quarantine

You have returned from international travel or an affected state 

If you are not fully vaccinted**, 10 days or have two negative tests for COVID-19. The first test upon arrival and the second separated by at least 4 days prior to returning to campus. Quarantine is required until negative results are received for both tests.

If fully vaccinated**, no quarantine is required.

You must also follow the university’s travel guidelines.

You had a low risk contact with someone who tested positive for COVID-19

No need to quarantine, continue to monitor your health with daily temperatures.

You had close contact* with someone who tested positive for COVID-19

If not fully vaccinated**,10 days (test at day 3 or 4 and if negative, test again at day 8).

If fully vaccinated**, no need to quarantine if you do not have symptoms, but you should get tested at day 5 and day 12.

You had close contact* with someone who tested positive for COVID-19 and you have been vaccinated against COVID-19 as outlined below**

No need to quarantine, continue to monitor your health with daily temperatures (test at day 5 and again at day 12)

*Close contact is being within 6 feet, for at least 15 minutes total, with a person who is positive for COVID-19.

**People who have been vaccinated against CVOID-19 are not required to quarantine if they meet all of the following criteria:

  • Are fully vaccinated (2 or more weeks following your second dose in a 2-dose series, or 2 or more weeks following your one dose of a single-dose vaccine)
  • If you have not developed any symptoms since the current COVID-19 exposure

Note for healthcare workers: Discontinuation of self-isolation for healthcare workers may differ and are to be determined by the employer.