Peter Plassmann News Today

Those fever scanners that everyone is using to fight covid can be wildly inaccurate, researchers find Drew Harwell © Ahn Young-Joon/AP A thermal scanner shows the estimated body temperatures of travelers in Seoul. Temperature-scanning devices that check for fevers in schools, workplaces and public venues across the United States distort the results in a way that could overlook the telltale sign of a coronavirus infection, according to new research that casts doubt on the syst...

A flood of thermal scanners hit the market last year. But researchers say many of the devices use software that can make a feverish person appear perfectly well.