Tens of thousands of people in the UK may have wrongly been informed that their Covid-19 test was negative.
That's because errors were found at a laboratory in the English city of Wolverhampton, as Benji Hyer reports.
IN: Testing at the lab
OUT: SOC
DUR: 39 secs
http://www.fsnradionews.com/feeds/1015covid-bh-generic.mp3