Symptoms range from mild (like the flu and other common respiratory infections) to severe. Common symptoms of COVID-19 are listed below. These symptoms are subject to change. Please visit the Ontario Ministry of Health website for latest information(external PDF).
The most common symptoms of COVID-19 that require immediate self-isolation and COVID-19 testing include:
- Fever and/or chills (temperature of 37.8°C/100°F or higher)
- Cough or barking cough (croup)
- Shortness of breath (out of breath, unable to breathe deeply)
- Decrease or loss of taste or smell
In addition to the following:
For adults (18 years of age and older)
- Muscle aches/joint pain - not related to getting a COVID-19 vaccine in the last 48 hours.
- Extreme tiredness/no energy/general feeling of being unwell - not related to getting a COVID-19 vaccine in the last 48 hours.
For children (less than 18 years of age)
- Nausea, vomiting, and/or diarrhea
If you are experiencing severe symptoms (trouble breathing or chest pain), please go to your nearest Emergency Department or call 911.
If you have symptoms or were exposed to COVID-19 follow instructions in these screening tools to help you decide if you need to seek care or testing:
Individuals with symptoms (even if mild) associated with COVID-19 are required to self-isolate(external PDF) under the class order (PDF file) issued by the Medical Officer of Health under Section 22 of the Health Protection and Promotion Act. Individuals with symptoms must self-isolate even if they have received a COVID-19 vaccine.
For questions related to the Province-Wide Roadmap to Reopening, please visit the COVID-19 Frequently Asked Questions webpage. Businesses can call the Stop the Spread Information Line at 1-888-444-3659 with any questions about impacts to operations or employment.
This section provides information on safety measures identified in the Provincial Roadmap to Recovery and general COVID-19 prevention information for businesses. You will also find additional guidance from Halton Region Public Health, the Ontario Government and other health and safety organizations. Select the appropriate category below for sector-specific information.