LOS ANGELES, CALIFORNIA - JUNE 24: A traveler is checked with a handheld thermometer near a test system of thermal imaging cameras which check body temperatures at Los Angeles International Airport (LAX) amid the COVID-19 pandemic on June 24, 2020 in Los Angeles, California. The system is being tested in the international terminal and can flag passengers who have a fever, one of the symptoms of the coronavirus. (Photo by Mario Tama/Getty Images)