Respirologist Dr. Samir Gupta and host Heather Hiscox demonstrate how to take a rapid COVID-19 antigen test and discuss when it's appropriate to take one. | CBC News

Lisa Barrett is an infectious diseases expert from Dalhousie University. She’s administered a lot of COVID-19 rapid antigen tests. For people considering using the tests over the holidays, Barrett stresses that rapid tests are great for screening but aren’t a substitute for vaccination and other COVID safety protocols like distancing and masking. In this example, Barrett uses an Abbott Panbido at-home rapid test, but there are other similar tests available. She stresses there are a couple of poi