Dr Clare Craig

Matt Hancock has announced a £100 billion spending programme for mass population testing — his so-called ‘moonshot’ initiative, that would see 10 million tests delivered a day. Does this mean we need rocket boosters under the testing programme, fuelled by vast reserves of taxpayer cash? Thankfully, there could be a simpler and more pragmatic approach

Imagine a world where Covid-19 has been eliminated. To be certain this is true, the government conducts regular tests at random. The number of positive results should be zero, right? Wrong. There will always be a proportion of cases tested that come back with a false positive test result. Thankfully, for Covid-19, the false positive