Across the country, the litmus test for many children’s entry into school, athletics and extracurricular activities, is their temperature. But experts and medical groups increasingly say that isn’t a good gauge of Covid-19 as many infected children and adults don’t get fevers. Furthermore, variability in individual temperatures as well as questions about the accuracy of body-temperature scanners and infrared contact-free thermometers put such checks at risk of potential error.
Image: https://www.wsj.com
