What are the chances?

Another Covid-19 blog post for the non-expert, this time on what’s meant by test accuracy. Before we get started, a question to stimulate your curiosity. The percentage of the population infected with Covid-19 is uncertain but let’s assume it’s very low at 1 in a 1,000 people (yes I know it’s likely higher than thatContinue reading “What are the chances?”

Coronavirus testing

I’m getting questions about Covid-19 testing and so another blog post aimed at the non-expert in way of explanation. Confusion appears to be coming from the fact there are two tests, one already being used and another about to be released. The one that is available at the time of writing tests for the virus,Continue reading “Coronavirus testing”