Testing, testing: The key to controlling coronavirus spread

A patient gets a nasal swab test for the coronavirus

Widespread testing for the coronavirus is considered a key part of the pandemic response, both for diagnosing infections and, potentially, to ease lockdowns.

In Canada, provinces initially limited diagnostic tests for COVID-19 to health-care workers who were directly caring for patients, for people with severe symptoms and for those who work with vulnerable groups.

https://www.cbc.ca/news/health/covid19-testing-explainer-1.5540418