Rapid screening tests that prioritize speed over accuracy could be key to ending the coronavirus pandemic

Testing large numbers of people regularly would reduce the spread of the coronavirus in the US. Laboratory testing is slow and expensive, but rapid screening tests could be the answer.

Zoë McLaren, Associate Professor of Public Policy, University of Maryland, Baltimore County • conversation
Aug. 14, 2020 ~9 min

Tags: covid-19 coronavirus fda sars-cov-2 food-and-drug-administration testing viruses false-positive rt-pcr swab-test false-negative diagnostic-test

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.

Maureen Ferran, Associate Professor of Biology, Rochester Institute of Technology • conversation
May 6, 2020 ~10 min

Tags: covid-19 coronavirus antibodies immunity testing anthony-fauci virology blood-test false-positive rt-pcr swab-test

Coronavirus: surprisingly big problems caused by small errors in testing

A test that tells you with 94% accuracy that you have had coronavirus seems like a game-changer...until you do the maths.

Christian Yates, Senior Lecturer in Mathematical Biology, University of Bath • conversation
May 5, 2020 ~7 min

Tags: covid-19 coronavirus world-health-organization-who false-positive

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