The question: I’ve been reading in the news about all the different tests for COVID-19. Some are done in labs, some are done in schools and some are done at home. Which one is best? The answer: The ...

This article was published more than 3 years ago. Some information may no longer be current. There are two main types of COVID-19 tests: the PCR test and the rapid antigen test. The PCR, or polymerase ...

Rapid antigen tests for COVID-19 are quicker and easier, but also less accurate, than the PCR (polymerase chain reaction) tests that Canada has relied upon during the pandemic. But as various ...

As rapid antigen testing using self-test kits that can quickly determine COVID-19 infection status expands, it has become important to understand the correct way to use these kits. In particular, if a ...

The rapid spread and high infection rate of the Omicron variant have prompted a run on COVID-19 tests at doctor’s offices, pharmacies, and other businesses that carry at-home tests. Making matters ...

Ontario announced its plans to start a rapid antigen testing blitz on Wednesday, as the Omicron variant continues its swift spread across Canada. The province follows others, like New Brunswick, Nova ...

Travellers entering Canada will no longer have to take a pre-arrival molecular test — such as a PCR — as of Feb. 28, Health Minister Jean-Yves Duclos announced Tuesday. Travellers will still be ...

Rapid antigen tests that can quickly detect the COVID-19 virus have gained significant attention recently, with experts calling on some provinces to provide more of them to the public while other ...

As the U.S. reopens its land border, some experts say the Canadian government should consider scrapping its costly COVID-19 PCR test requirement for fully vaccinated travellers — particularly for ...

People who are presymptomatic and paucisymptomatic are important contributors to the transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The approach of Identifying cases of ...

Information about COVID-19 is rapidly evolving. This article was published in May 2021, and the information within may be out of date. Click here for the most up-to-date information about COVID-19.