LOS ANGELES—Local officials are warning of fraudulent COVID-19 tests online and at pop-up COVID-19 testing locations, as the demand for COVID-19 tests surges along with infections due to the Omicron variant. Sellers of fake tests are also stealing patient data for purposes of identity theft, according to Los Angeles County Supervisor Kathryn Barger. “The harder it is to find a testing site, the more individuals that are predators … are going out and doing illegal activity with kits that are not even accredited and stealing identities of patients,” Barger said. Barger asked county staff to come up with an enforcement plan for cracking down on fraudsters as well as an educational campaign to alert the public to the risk and point them to legitimate resources. “It is imperative that the board ensure residents can be confident that they are receiving an accurate and a legitimate test without risking their private …