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Articles on COVID-19 testing

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Technique matters when it comes to getting a sufficient amount of virus for a rapid test. Images By Tang Ming Tung/Digital Vision via Getty Images

COVID-19 rapid tests can breed confusion – here’s how to make sense of the results and what to do, according to 3 testing experts

Rapid tests can be an incredibly useful tool for early detection of COVID-19. Unfortunately, they sometimes leave people with more questions than answers.
A researcher at the Africa Health Research Institute in Durban, South Africa, works on the omicron variant of the COVID-19 virus in December 2021. African countries were penalized by Canada’s travel ban even though they discovered the Omicron variant via complex sequencing work when western nations failed to. (AP Photo/Jerome Delay)

I was ensnared in Canada’s harsh and unscientific African travel ban

Ottawa’s travel ban against African countries made clear its underlying policy: What matters is not your test result, but where you’ve been. It’s yet another example of anti-Africa discrimation.
Rapid antigen tests are easy to use and detect whether your body is shedding the SARS-CoV-2 virus. (AP Photo/Tsafrir Abayov) 

How to use rapid testing to keep you and your family safe during the 2021 holiday season

Rapid testing for COVID-19 is an extra safety measure that can help prevent spread of infection, and help you have a more normal holiday, especially if you are visiting vulnerable people.
Discussing and practising all the steps of a medical procedure with children can help them overcome fear. (AP Photo/Jae C. Hong)

If your child is afraid of — or refusing — a medical procedure, here’s how to help

Children who avoid or refuse medical procedures like COVID-19 tests or vaccinations aren’t misbehaving — they need help to manage their fears. Here’s a step-by-step guide to help your child cope.
To reduce the spread of COVID-19 in unvaccinated children, epidemiologists rely on a layered approach of interventions including masking, ventilation, cohorting and promoting vaccination for all eligible community members. (AP Photo/Chris O'Meara, File)

Back-to-school FAQs on children’s health & COVID-19: Delta variant, preventing infection, testing and international examples

With no vaccination yet in children under 12, preventing COVID-19 spread in schools depends on fine-tuning policy interventions according to local epidemiology and vaccination rates.
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.

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