Pooled PCR testing for COVID-19 variants

LOS ANGELES, CA - JANUARY 02: Claire Altieri (cq), senior associate of Concentric by Ginkgo, sets up a pooled PCR testing site for COVID-19 variants at a new test facility at Tom Bradley International Terminal (Terminal B) that health officials hope will help them spot new variants that may emerge from passengers arriving from other countries at Los Angeles International Airport on Monday, Jan. 2, 2023 in Los Angeles, CA. The Centers for Disease Control and Prevention (CDC) is hoping to keep an eye out for new coronavirus variants by swabbing foreign travelers as they arrive at US airports. (Gary Coronado / Los Angeles Times via Getty Images)