Respiratory Viruses (Flu, RSV, COVID-19, Measles) and Gastrointestinal Viruses (Norovirus)

Updated Nov. 12, 2025 

Everyone has a role to play to reduce the spread of respiratory viruses and other viruses. Stay home if you are sick. You can return to campus when: 1)  symptoms have been improving for at least 24 hours (or 48 hours if you had nausea, vomiting and/or diarrhea); 2) you do not have a fever for 24 hours. Mask are not generally required on-campus but should be worn if you have been sick for 10 days after your symptoms start. For additional information, please visit: Procedures for Communicable Diseases.

The University continues to encourage all UofT community members and visitors to stay up-to-date on all applicable vaccinations. For additional information, please visit: UofT Discovery Pharmacy Vaccinations and Immunizations, Ontario Vaccines and Immunization, City of Toronto Immunization, and Peel Region Vaccinations. If you have any specific concerns, talk to your health care provider about treatment options in case you get sick. 

Continue to follow good hygiene practices such as cough etiquette, handwashing and using hand sanitizer when handwashing is not possible. 

Here are some resources on common respiratory or seasonal illnesses:

Respiratory virus (e.g., flu, RSV, measles, COVD-19, etc.): Refer to the City of Toronto Respiratory Virus webpage.

Norovirus: Refer to the UofT News article on Norovirus and City of Toronto’s Norovirus Fact sheet.

Measles: Refer to the City of Toronto’s Measles webpage for information.

TB (tuberculosis): TB is not highly contagious but can be transmitted via close, prolonged contact with someone who has an active case of TB. TB is also not spread by sharing utensils, plates, cups, clothing, bed linen, furniture, toilets, by shaking hands or by touching surfaces that have been touched by someone with TB. Symptoms of active TB disease include: a cough that lasts more than 2 weeks, that makes you cough up blood and/or phlegm, chest pain and fever/chills/night sweat. For a full list of symptoms, please refer to Health Canada. For more information on TB treatment and testing, please refer to: City of Toronto TB webpage and Peel Region TB webpage. If you need assistance, please contact EHS Occ Health (ehs.occhealth@utoronto.ca) for assistance.

If you have any questions, please contact EHS (ehs.office@utoronto.ca).

 

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Guidelines

• Continuity of Education Plan (CEP)
• General Workplace Guideline (GWG)
• *For off-campus research and travel guidance, please refer to the Off-Campus Safety webpage.