Assertions of Perfection

Neither Abbott nor Roche antibody tests have “100% accuracy”.

Media organisations reported on supposed ‘100% accurate’ tests. The ITV headline was:

‘100% accurate’ antibody test could be coronavirus breakthrough

Neither Abbott nor Roche antibody tests have the claimed accuracy.

What is accuracy?

Manufacturers develop tests for the presence of antibodies. Antibodies are part of the body’s immune response to infection. In most cases…