COVID-19: Symptoms

Call 911 or go directly to your nearest emergency department if you are experiencing severe difficulty breathing, severe chest pain, feeling confused or unsure of where you are, or you are losing consciousness.

If you have COVID-19 symptoms, do not wait for them to become severe before seeking help. Reach out to a health care provider, attend the Thunder Bay Regional Health Sciences Centre's COVID-19 Clinical Assessment Centre or in the district, find the COVID-19 clinical assessment centre nearest you. Treatment for COVID-19 may be available.



Current COVID-19 symptoms that require immediate self-isolation, regardless of vaccination status, include:

  • One or more of:
    • Fever or chills
    • Cough
    • Shortness of breath
    • Decreased or loss of taste or smell
  • Two or more of:
    • Runny nose or nasal congestion
    • Headache
    • Extreme fatigue
    • Sore throat
    • Muscle aches or joint pain
    • Gastrointestinal symptoms (such as vomiting or diarrhea)

Other symptoms that may be associated with COVID-19 and should be monitored, include:

  • Abdominal pain
  • Conjunctivitis (pink eye)
  • Decreased or lack of appetite (for young children)

You can also take the COVID-19 self-assessment.

Children/youth attending school or child care can take the COVID-19 school and child care screening assessment.

Yes, I have COVID-19 symptoms.

If you have any of the symptoms of COVID-19, it is highly likely that you have a COVID-19 infection.

You must self-isolate immediately, regardless of vaccination status. Follow the directions for yourself and your household members, provided by the Ministry of Health on the page.

NOTE: If you live, work, volunteer or are admitted into a HIGH-RISK HEALTH CARE SETTING you must follow specific guidance that is listed on page. These settings/individuals include; hospitals, Long-Term Care, retirement homes, congregate living settings, and health care workers providing care to immunocompromised people.


No, I don’t have COVID-19 symptoms.

If your symptoms are not on the COVID-19 symptoms list above, it is less likely that you have COVID-19.

  • Stay home until your symptoms have been improving for at least 24 hours (or 48 hours if the symptoms affect the digestive system, like vomiting or diarrhea).
  • Your household contacts do not need to stay home and self-isolate unless they get any of the symptoms of COVID-19 listed above.


Additional Information

Last Updated: 19/04/2022