大象传媒

A ferocious row has broken out among scientists about new coronavirus tests. Lateral flow tests provide results within minutes and some scientists believe they are offer accurate enough results at a speed that could allow us to resume business as usual. Others think they are so poor at detecting the virus that they could pose a huge danger.

In this week鈥檚 More or Less, Tim Harford looks at the evidence and what we know about these new tests.