Covid: Rapid lateral flow tests miss 42% asymptomatic cases and give false positives, review says
Rapid coronavirus tests may miss four in 10 asymptomatic people, a major review has concluded. Researchers who analysed 64 studies of the effectiveness of lateral flow kits found they failed to detect 42 per cent of cases who didn’t show signs of illness. The gold-standard Cochrane review found the tests, which give results in as … Read more