Still getting a negative RAT after a COVID exposure and days of symptoms? It might be time to consider a PCR.
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Articles on PCR
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Here’s what we know from the limited data publicly available.
With the right training, dogs can sniff out more than 90% of COVID cases.
With the relaxation of mask-wearing mandates, there’s even more need to know how much over-the-counter tests help.
The Biden administration intends to distribute an additional 500 million at-home rapid COVID tests starting in January.
A rapid antigen test is a screening tool – it can indicate that you might be infected, but you need a PCR test to confirm the result.
Rapid antigen testing might be convenient. But high prices for home kits will put people off, compounding disadvantage.
Who’s a good doggie? Sniffer dogs might one day be able to screen people for COVID-19 in large crowds. But not when they’re hungry or need a good lie down.
Engineering students in Malawi and Tanzania have used the materials and tools available to them to build ventilators, personal protective equipment and UV disinfection systems.
The pandemic is placing strain not just on doctors and nurses but the medical laboratory professionals who conduct the billions of medical tests behind the scenes.
A man in the Northern Territory recently received a “weak positive” test result for COVID-19. Understanding how coronavirus tests work shows us why this can happen from time to time.
Miniaturized laboratory equipment is making it easier to identify airborne pathogens in the field, but there’s still work ahead to be able to instantly determine if a room is safe or contaminated.
COVID-19 tests rely on a process developed at a biotech company co-founded by a Canadian. Canada’s current testing expertise needs to be channelled to prepare for the next wave, and the next pandemic.
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.
Unequal access to testing can lead to late diagnosis and preventable deaths due to COVID-19 among the poor people.
Top contributors
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Associate Professor, Epidemiology, Deakin University
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Professor, Nursing, School of Nursing and Midwifery, Griffith University
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Assistant Professor of Molecular Medicine, UMass Chan Medical School
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Adjunct Associate Professor, Menzies Centre for Health Policy, University of Sydney
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Assistant Professor, Department of International Relations, Universitas Gadjah Mada
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Professor of Bioengineering, Rice University
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Emeritus Robert Reford Professor and Professor of Medicine, McGill University
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Epidemiologist, WHO Collaborating Centre for Reference and Research on Influenza
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Associate Professor of Biology, Rochester Institute of Technology
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Lecturer, Universitas Gadjah Mada
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Lecturer in Rural Clinical School, ANU Medical School, Australian National University
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Associate Professor of Public Policy, University of Maryland, Baltimore County
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Epidemiologist, WHO Collaborating Centre for Viral Hepatitis, The Peter Doherty Institute for Infection and Immunity
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Professor of Food Science, Penn State
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Bayard D. Clarkson Distinguished Professor of Mechanical and Aeronautical Engineering, Clarkson University
