Coronavirus live: WHO experts to revive virus origins inquiry; Fiji prepares to welcome tourists after two years

A study by University College London researchers claims that Lateral flow tests (LFTs) are very good at detecting people most likely to spread Covid-19 and positive results should be trusted.

LFTs have long been criticised for being less accurate that PCR tests, where the results come after the material is analysed in a lab, rather than being generated at home.

Prof Irene Petersen, lead study author, said people who get a positive LFT result...