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Science: COVID-19 testing: One size does not fit all

Many types of tests are available for COVID-19 for clinical and public health use (see the figure). Testing can be performed in a central laboratory, at the point of care (POC), or in the community at the workplace, school, or home. COVID-19 testing begins with specimen collection. For medical use, a nasopharyngeal swab collected by a health care professional has been used for detection of virus infections. Demands on testing throughput for COVID-19, however, have driven new collection approaches, including saliva and less invasive nasal swabs. COVID-19 tests include molecular tests such as qPCR, isothermal amplification, and CRISPR, as well as antigen tests that detect SARS-CoV-2 proteins directly. Although rapid antigen tests have lower analytical sensitivity (i.e., require greater amounts of virus material to turn positive) than qPCR-based tests, their ability to detect infectious individuals with culturable virus is as high as for qPCR (3). Specificity (i.e., correctly identifying those not infected with SARS-CoV-2) of antigen tests achieves comparable results to molecular tests (4).

Archived Briefings from Protect Our Province BC

A Protect Our Province BC panel discussion with A panel discussion about how we as a community can pull together to create a safer learning environment for kids when school starts again in September! We can avoid another ‘tripledemic’ if we work together! Ready for Fall 2023? video: Briefing video:
“COVID-19 vaccination is safe during pregnancy and may protect newborns from infection, especially if vaccines are given in the second or third trimester. This is similar to what we are already doing with other maternal vaccines, including TDaP and seasonal influenza.” – Dr. Eastabrook
“If we had an epidemic of people with broken limbs and we saw people in plasters and crutches, it would be more evident. But there is a lot of disability that is happening, which is a hidden disability often, which is why we need to talk about it more, for people to understand what the consequences are. And that will help to make better decisions.” - Lynette

More News from Protect Our Province BC

Second in a series of two posts by an Alberta mom. Find the first post here: No One Is Listening To Me Image: The Rona Lisa by Rosie Pidgeon, a young Belfast art student living with Long Covid.  To view her artwork, please visit @art_byrosie_ Alberta Long Covid Kids During the Delta wave in October… Continue reading No More Stolen Childhoods
Alberta Mom Photo: @BerlinBuyers My first confirmed Covid infection was in fall 2022 at a time when the few Covid protections we had left only applied to healthcare settings. I knew I was at higher risk of developing Long Covid as I am a working age woman. This terrified me as my son had already had… Continue reading No One is Listening to Me
General Information Q: How accurate are Rapid Antigen Tests?  A: Positive test results on rapid tests are generally accurate, and if you test positive you should take precautions (wear a high-quality respirator mask, isolate, inform your contacts) to avoid passing on the virus.  A negative test doesn't necessarily mean your don't have Covid; it *could*… Continue reading Covid-19 Rapid Antigen Test (RAT) – FAQ