British start-up company iAbra said it has developed a 20-second saliva COVID-19 test which had 99.8% sensitivity and 96.7% specificity. Trials of the 'Virolens' test have taken place at Heathrow Airport, according to the company, which was founded in 2010. 'Our system allows simple, high speed, reliable and low-cost testing in dynamic environments,' Greg Compton, CEO of iAbra, added in a statement.
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