Director / Editor: Victor Teboul, Ph.D.

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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Why are some COVID test results false positives, and how common are they?

By Adrian Esterman, Professor of Biostatistics and Epidemiology, University of South Australia

We've learnt two cases linked to Melbourne's COVID outbreak were in fact 'false positives'. Here's what that means, why it can happen, and how common it is.

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