More haste less speed: the pros and cons of lateral flow and PCR tests for Covid-19
Concerns have resurfaced amid calls from France to use gold standard PCR tests at the border 22 December 2020 • 5:54pm Boris Johnson views a PCR diagnostics machine in a lab during a visit to the Public Health England site at Porton Down science park on November 27 Credit: Adrian Dennis - WPA Pool French demands for “gold standard” PCR tests to be used at the border come amid fears that the accuracy of lateral flow tests “cannot be relied on”. Both tests are diagnostics that tell individuals whether or not they currently have Sars-Cov-2 - unlike antigen or serology tests, they do no...