Covid-19 UK: More than half of positive rapid tests at schools were false, data reveals
Rapid tests show more false than true positives in the first two weeks of testing at schools, data shows - forcing children to stay home unnecessarily Six out of 10 positive rapid test results turned out to be false from March 4 to 17 Lateral flow tests have been dished out twice a week at schools since March Professor John Deeks says the high false positives rate has done 'harm'