Facemasks can be worn to help protect those around you, and the BCCDC advises that they should be worn by people who are sick to prevent transmission to other people. The mask acts as a barrier and helps stop the tiny droplets from spreading when you cough or sneeze. Wearing a mask does not make it okay to go out but it can help prevent the spread of germs at home especially if you cannot separate yourself from others in the home.
If you are healthy, wearing a non-medical or cloth mask or face covering is a matter of personal choice but can help to protect others. Some people can spread the virus when they have very mild symptoms or may be unaware they are infected. Wearing a cloth mask will not protect you from COVID-19 but it is a good option in situations where you cannot keep a safe distance from others for an extended period of time such as when you are on transit, getting a haircut or visiting someone indoors. Do not put a face mask or any covering including visors and eye protection on infants under two years of age.
Any mask, no matter how efficient at filtration or how good the seal, will have minimal effect if it is not used together with other preventive measures, such as frequent hand washing and physical distancing. For more information, visit the BCCDC.