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Articles on Sensitivity

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Friaaz Azeez gets tested for COVID-19 by a health-care worker at a pop-up testing centre at the Islamic Institute of Toronto in Scarborough, Ont., on May 29, 2020. THE CANADIAN PRESS/Nathan Denette

‘What do you mean, it was a false positive?’ Making sense of COVID-19 tests and terminology

Understanding terms like sensitivity and specificity can help us make sense of COVID-19 testing, the accuracy of tests and what the results mean.
Rapid blood tests for coronavirus could fill a large gap in knowledge. Taechit Taechamanodom/Moment via Getty Images

Coronavirus tests are pretty accurate, but far from perfect

Expanding coronavirus testing is one of the most important tasks public health officials are tackling right now. But questions over accuracy of the two main types of tests have rightly caused concern.

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