Wearing a mask or a face covering
Wearing a mask or a face covering reduces the risk of transmission of several infectious respiratory diseases.
People wearing a mask or face covering are required to continue applying the other protective health measures. For more information, consult the page Steps for limiting the spread of respiratory infectious diseases.
When to wear a mask or a face covering
The following individuals are recommended to wear a mask or a face covering:
- People who have symptoms of a respiratory infectious disease (cough, sore throat or nasal congestion)
- People with weakened immune systems
- People who have a health condition that makes them vulnerable
- People aged 60 and over
- Pregnant women
- In the presence of vulnerable people due to their health or age (over 60 years old)
- In the presence of a baby under 3 months, except for the immediate family
- In busy places (except schools and daycares)
Health care facilities
Some health care facilities may require you to wear a mask.
Workplaces
Wearing a mask may be required in some workplaces.
For more information, see the guides and tools produced by the CNESST 
.
Last update: April 6, 2023
