Interpreting a lateral flow SARS-CoV-2 antigen test

### What you need to know Lateral flow devices (LFDs) are being used test asymptomatic people for covid-19 as part of the approach in UK and elsewhere control spread disease enable society reopen.1234 The risks benefits using LFDs widespread testing subject ongoing uncertainty debate.1567 Despite concerns about accuracy, LFD tests continue be widely used. In week ending 19 May, 4.9 million registered were undertaken England.8 People taking a receive advice on what their result means they should do; however, use these doctors may increasingly asked them (for example, when patients with recent present services). This practice pointer considers how interpret communicate results from based our current understanding tests’ performance. Lateral can detect presence target substance liquid, typically single disposable …