The US is way behind on tracking COVID-19 variants
The US is way behind on tracking COVID-19 variants Tara Santora © Provided by Popular Science By sequencing samples from COVID-19 patients, epidemiologists can track the virus as it mutates. New COVID-19 variants are turning up around the world—but none have made headlines like the so-called UK variant. The mutated form of the virus emerged across the pond in mid-December, and has already been found in 24 US states, totaling 293 cases, according to the Centers for Disease Control and Prevention. New Jersey also reported the nation’s first death from the variant on Wedne...