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Articles on COVID-19 testing

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Sequencing the whole genome of patient virus samples lets scientists watch for new variants. Sergei Malgavko/TASS via Getty Images

Where coronavirus variants emerge, surges follow – new research suggests how genomic surveillance can be an early warning system

By merging genomics with classical epidemiology, researchers are able to predict new disease outbreaks based on which viral variants are on the rise.
A guest looks out from a Sheraton hotel window in Mississauga, Ont., on Feb. 22, 2021, as new air travel rules come into effect in Canada. THE CANADIAN PRESS/Cole Burston

COVID-19 hotel quarantine: Exemption for ‘essential’ medical travel confuses doctors, patients

Canadian government travel restrictions are an attempt to curb the spread of COVID-19 variants. But vague language around exemptions for medical travel may confuse the physicians who can grant them.
A person wears a protective face mask to help prevent the spread of COVID-19 as they walk past the emergency department of the Vancouver General Hospital on Nov. 18, 2020. THE CANADIAN PRESS/Jonathan Hayward

Want to save the economy? Start by vanquishing COVID-19

Saving the economy requires minimizing, if not eliminating, community COVID-19 transmission.
One-year-old Quentin Brown is held by his mother, Heather Brown, as he eyes a swab while being tested for COVID-19 at a new walk-up testing site at Chief Sealth High School in Seattle on Aug. 28, 2020. (AP Photo/Elaine Thompson)

6 tips to prepare your child for easy COVID-19 testing

Child health psychologists offer research-based strategies to prepare kids for pain-free and distress-free COVID-19 testing.
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.

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