Isolation and Quarantine Calculator

DOH is aware of the recent updates by the CDC to the COVID-19 quarantine recommendations released on August 11, 2022. DOH is reviewing the recommendations and will announce any state updates when available.

Isolation and Quarantine for COVID-19 :: Washington State Department of Health

Please see below for how to calculate your isolation or quarantine period. For additional information on what to do during isolation, please see What to do if you test positive for COVID-19 (PDF). For additional information on what to do if you are a close contact of someone with COVID-19, please see What to do if you were potentially exposed to someone with COVID-19 (PDF).

If you are immunocompromised or were severely ill with COVID-19, these calculators likely do not apply to your situation. Please see What to do if you test positive for COVID-19 (PDF) for additional information.

If you are staying or working in a higher-risk setting these calculators may not apply to your situation. Higher-risk settings include: health care facilities, correctional facilities, detention facilities, homeless shelters, transitional housing, commercial maritime settings (e.g., commercial seafood vessel, cargo ship, cruise ship), temporary worker housing, or crowded work sites where physical distancing is not possible due to the nature of the work (e.g., warehouses, factories, and food packaging and meat processing facilities). Please see What to do if you test positive for COVID-19 (PDF) for information about your isolation period and What to do if you were potentially exposed to someone with COVID-19 (PDF) for information about quarantine period.

I tested positive and have or had symptoms: calculate my isolation period

5 Day Isolation

You can end isolation after 5 days if:

  • Your symptoms have improved, AND
  • 24 hours have passed since you had a fever or have used fever-reducing medicine

If these criteria apply your last FULL day of isolation is:
Your isolation ENDS on:

You should wear a well-fitting mask when around other people for 5 more days (until ) and avoid activities where you cannot wear a mask. You should also avoid being around people who are at high risk until . See Travel | CDC for information on travel.

If you have access to an antigen test, you can further decrease your risk of infecting others by taking a test on day 5 of isolation. If your test is negative, you can end isolation after day 5, but continue wearing a mask when around other people for 5 more days (until ). If your test is positive, you should continue to isolate until .

10 Day Isolation

If the above criteria do not apply to you, then you should isolate for 10 days.

If you are isolating for 10 days, your last FULL day of isolation is:
Your isolation ENDS on:

If your symptoms have not improved or you continue to have a fever (or require fever-reducing medications) on , wait to end your isolation until your symptoms have improved and you have not had a fever for 24 hours without use of fever-reducing medications.

I tested positive but I never had any symptoms: calculate my isolation period

5 Day Isolation

If you never had symptoms your last FULL day of isolation is:
Your isolation ENDS on:

You should wear a well-fitting mask when around other people for 5 more days (until ) and avoid activities where you cannot wear a mask. You should also avoid being around people who are at high risk until . See Travel | CDC for information on travel.

If you have access to an antigen test, you can further decrease your risk of infecting others by taking a test on day 5 of isolation. If your test is negative, you can end isolation after day 5, but continue wearing a mask when around other people for 5 more days (until ). If your test is positive, you should continue to isolate until .

10 Day Isolation

If the above criteria do not apply to you, then you should isolate for 10 days.

If you are isolating for 10 days, your last FULL day of isolation is:
Your isolation ENDS on

I was exposed to COVID-19 (identified as a close contact): calculate my quarantine period

You were in close contact with someone who tested positive for COVID-19, but you do not have any symptoms.

Check CDC guidance to find out if you are up-to-date on COVID-19 vaccinations. If you are not up-to-date on COVID-19 vaccinations, you should stay home and quarantine.

5 Day Quarantine

A 5 day quarantine period is appropriate if:

  • You are not up-to-date on COVID-19 vaccinations, AND
  • You are able to wear a well-fitting mask around other people

You should stay home and quarantine for at least 5 full days (even if you test negative during this time). Your last FULL day of Quarantine is:
Your quarantine ENDS on:

Wear a well-fitting mask when around other people, avoid activities where you cannot wear a mask, and avoid being around people who are high risk for severe disease for 5 more days (until ). See Travel | CDC for information on travel.

You should also get tested, even if you don’t develop symptoms. Get tested at least 5 days after you last had close contact with someone with COVID-19 (on or after ). If your test is positive, you should stay at home and isolate from others (for more information on isolation, please see What to do if you test positive for COVID-19 (PDF)).

10 Day Quarantine

A 10 day quarantine period is appropriate if:

  • You are not up-to-date on COVID-19 vaccinations, AND
  • You are not able to wear a well-fitting mask around other people

You should stay home and quarantine for at least 10 full days (even if you test negative during this time). Your last FULL day of Quarantine is:
Your quarantine ENDS on:

On this date, you can resume your usual activities but should still take steps to reduce your risk (for example, stay up to date on COVID-19 vaccines, wear a mask in accordance with recommendations and/or requirements, avoid poorly ventilated spaces, and wash hands often; see How to Protect Yourself & Others | CDC for more).

You should also get tested, even if you don’t develop symptoms. Get tested at least 5 days after you last had close contact with someone with COVID-19 (on or after ). If your test is positive, you should stay at home and isolate from others (for more information on isolation, please see What to do if you test positive for COVID-19 (PDF)).

No Quarantine

If you are up-to-date on COVID-19 vaccinations, you do not need to stay home unless you develop symptoms. You should still wear a well-fitting mask around others until and get tested, even if you don’t develop symptoms. Get tested at least 5 days after you last had close contact with someone with COVID-19 (on or after ).

If you had COVID-19 within the past 90 days (you tested positive using a viral test), you do not need to stay at home unless you develop symptoms. You should still wear a well-fitting mask around others until and get tested using an antigen test (not a PCR test) at least 5 days after you last had close contact with someone with COVID-19 (on or after ).

If you were in close contact with someone who tested positive for COVID-19 and you have symptoms, please see What to do if you were potentially exposed to someone with COVID-19 (PDF).