The obscure maths theorem that governs the reliability of Covid testing

~ Tom Chivers

There’s been much debate about lateral flow tests – their accuracy depends on context and the theories of a 18th-century cleric

Question mark made out of lateral flow tests
Read more in the Observer.

Published by Tom Chivers

I'm a science writer at the i newspaper. Before that, I was a freelance writer and science editor at UnHerd; until January 2018 I was science writer for BuzzFeed UK; before that, I was a comment and features writer for the Telegraph, having joined in 2007. I've written two books, "How to Read Numbers" with my cousin David Chivers, and "The Rationalist's Guide to the Galaxy".

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