A lab technician uses a PCR test on a sample to identify the presence of coronavirus Waldo Swiegers/Bloomberg via Getty Images
A rapid test that detects coronavirus variants with dangerous mutations could be used to tell people which variant of the virus they are carrying.
The test could also dramatically improve surveillance efforts around the world, boosting the chances of containing new variants before they spread widely.
The new method of detection, developed by Stephanie Oerum at Novozymes in Denmark and colleagues, requires only a small tweak to the PCR tests already widely used around the world to detect…
