Lateral flow assays, also called immunochromatographic assays, identify or measure biomolecules in intricate samples like blood, saliva, urine, or other fluids to diagnose numerous medical conditions.

Swab, swoosh, splat. During the pandemic, many of us got used to using lateral flow tests to check if we were infected with Covid-19 or were likely to infect others. But despite the gag-inducing ...